De, Manoranjan, and Bibhas Chandra Giri. “Optimal Decisions on Pricing and Greening Policies of Multiple Manufacturers under Governmental Regulations on Greening and Carbon Emission”. Decision Making: Applications in Management and Engineering 3, no. 1 (March 14, 2020): 43–59. Accessed November 15, 2024. https://mail.dmame-journal.org/index.php/dmame/article/view/46.