Baines, T.S., Lightfoot, E.S., Neely, A., Greenough, R., Peppard, J., Roy, R., Shehab, E., Braganza, A., Tiwari, A., Al cock, J.P., Angus, J.P., Bastl, M., Cousens, A., Irving, P., Johnson, M., Kingston, J., Lockett, H., Martinez, V., Michele, P., Tranfield, D., Walton, I.M., Wilson, H. (2007), State-of-the-art in product serv ice-systems, Journal of Engineering Manufacture, 221(10): 1543-1552. ht tps://doi.org/10.1243/09544054JEM858
Chakrabarti, A., Singh, K., Mahmood, I. (2007), Diversification and performance: Evidence from East Asian firms, Strate gic Management Journal, 28: 101–120. DOI: 10.1002/smj.572. https://doi.org/ 10.1243/09544054JEM858
Christensen, H.K., Montgomery, C.A., (1981), Corporate economics perform ance: Diversification strategy versus market structure, Strategic Management Journal, 2(4): 327-343. DOI:10.1002/ smj.4250020402
Delios, A., Beamish, W.P. (1999), Geo graphic scope, product diversification, and the corporate performance of Japanese firms, Strategic Management Journal, 20(8): 711-727. doi.org/10.1002/ (SICI)1097-0266(199908)20:83.0.CO;2-8
Gemba, K., Kodama, F. (2001), Diversifica tion dynamics of the Japanese industry, Research Policy, 30(8): 1165-1184. DOI:10.1016/S0048-7333(00)00140-2.
Geringer, M. J., Beamish, W. P., DaCosta, C.R. (1989), Diversification strategy and internationalization: Implications for MNE performance, Strategic Management Journal, 10(2): 109-19. DOI: 10.1002/ smj.4250100202.
Hashai, N. (2015), Withinindustry diver sification and firm performance: An sshaped hypothesis, Strategic Manage ment Journal, 36(9): 1378-1400. DOI: 10.1002/smj.2290.
Hicheon, K., Hoskisson, R.E., Wan, W. P. (2004), Power dependence, diversification strategy and performance in Keiretsu member firms, Strategic Management Journal, 25: 613-636. DOI: 10.1002/smj.395.
Hijikata, K., (2001), Provide services with pride of top manufacturers, Chiiki-caring and Hokuriku-Kan, 3(3): 65-69.
Imai, K., Goto, A., Ishiguro, M. (1975), Em pirical analysis on diversification of enterprises, Tokyo: Japan Economic De velopment Center.
Kodama, F. (1995), Emerging patterns of innovation, sources of Japan’s technological edge, Cambridge, MA: Harvard Business School Press.
Lin, C., Chang, C. (2015), The effect of technological diversification on organizational performance: An empirical study of S&P 500 manufacturing firms, Technological Forecasting and Social Change, 90(B): 575-586. DOI: 10.1016/ j.techfore.2014.02.014.
Markides, C.C. (1995), Diversification, refocusing, and economic performance, Strategic Management Journal, 16(2): 101-118. DOI:10.2307/1061132.
Mont, O.K. (2002), Clarifying the concept of product-service system, Journal of Cleaner Production, 10(3): 237-245. DOI: 10.1016/S0959-6526(01)00039-7.
Montgomery, C.A., Wernerfelt, B. (1998), Diversification, Ricardian rents and Tobin’s q, RAND Journal of Economics, 19(4): 623-632. DOI:S0048733300001402.
Morelli, N. (2003), Product-service sys tems, a perspective shift for designers: A case study: The design of a telecentre, Design Studies, 24(1): 73-99. DOI: 10.1016/S0142-694X(02)00029-7
Oláh, J., Popp, J., Máté, D. (2017), An examination of servitization as a breakthrough success factor along the supply chain, SEA-Practical Application Sciences, 5(15): 373-379.
Rumelt, R.P. (1974), Strategy, structure and economic performance. Cambridge, MA: Harvard University Press.
Shikata, N., Gemba, K., Uenishi, K. (2010), Service science: An analysis of the business system of product service companies, paper presented at the 2010 IEEE 30 No. 3 International Conference on Industrial Engineering and Engineering Management (IEEM), Macao, China, December 7-10. DOI:10.1109/IEEM.2010.5674488
Shikata, N., Gemba, K., Uenishi, K. (2013), A Competitive product development strategy using modular architecture for product and service systems, Interna tional Journal of Business and System Research, 7(4): 375-394. DOI:10.1504/ IJBSR.2013.056704
Vandermerwe, S., Rada, J. (1988), Ser vitization of business: Adding value by adding services, European Manage ment Journal, 6(4), 314-324. https://doi. org/10.1016/0263-2373(88)90033-3
Visnjic, I., Wiengarten, F., Neely, A. (2016), Only the brave: Product innovation, service business model innovation, and their impact on performance, The Journal of Product Innovation Management, 33(1): 36-52. DOI: 10.1111/jpim.12254
Yong-Pyo, H., YoungJun, K., Cin, B. (2015), Product-service system and firm per formance: the mediating role of product and process technological innovation, Emerging Markets Finance and Trade, 51(5): 975-984. DOI: 10.1080/1540496X .2015.1061388.
Fukui, Y., Ushijima, T. (2007). Corporate diversification, performance, and restructuring in the largest Japanese manufacturers, Journal of Japanese and International Economies, 21(3): 303-323. https://doi.org/10.1016/j.jjie.2006.06.002
Yoshihara, H., Sakuma, T., Itami, N., Kago no, T. (1981), Diversification strategy of Japanese companies – management re source approach, Nihon Keizai Shimbun, July 1981.