korletey, J.T. and Tettey, E.K. (2015) “Problem Solving Abilities of Workers: A Study of Some Printing Industries in Kumasi”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 20(2), pp. 12–19. Available at: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3135 (Accessed: 26 July 2026).