“COMBINING EXTENDED PRODUCER RESPONSIBILITY (EPR) AND DEPOSIT REFUND SYSTEM (DRS) POLICY FOR HIGHER RECOVERY AND RECYCLING OF PLASTIC BOTTLES AND SACHET WATER WASTE: APPLICATION OF VENDING MACHINE AND DESIGNATED RETURN DEPOT CENTRE IN LAGOS, NIGERIA”. Open Journal of Environmental Research (ISSN: 2734-2085) 3, no. 1 (June 25, 2022): 22 -. Accessed April 29, 2025. https://www.openjournalsnigeria.org.ng/journals/index.php/ojer/article/view/380.