Reyes DPT, Santos REC. Luntiang Basura (Green Wastes): A Case Study of Three Filipino Ecopreneurs in Upcycling. KSS [Internet]. 2018 Jun. 4 [cited 2025 Jul. 13];3(6):307–324. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/2389