ALFILLAH, Muhammad; ANANDA, Yussa. DESIGN AND DEVELOPMENT OF A PLASTIC BOTTLE AND METAL WASTE SORTER WITH REWARD EXCHANGE COINS. Algebra : Jurnal Pendidikan, Sosial dan Sains, [S. l.], v. 6, n. 4, p. 627–632, 2026. DOI: 10.58432/v3a48k49. Disponível em: https://algebra.yana.or.id/index.php/ejournal/article/view/336. Acesso em: 4 nov. 2026.