Edwinarto, Dominicus. “Imperfect Monitoring, Cyclical, and Learning Model Perspectives: Price War in the Indonesian Lighting Industry”. International Journal of Engineering & Technology 7, no. 2.29 (May 22, 2018): 236–240. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/13323.