RAHMAYANTI, O. A.; AL HAFIS, R. I. THE IMPACT OF PLASTIC PRICE INCREASES ON THE PURCHASING POWER OF THE COMMUNITY IN BATAM CITY. Indonesian Journal of Social Sciences, Policy and Politics, [S. l.], v. 4, n. 3, p. 114–119, 2026. Disponível em: https://ijsspp.yayasanwayanmarwanpulungan.com/index.php/IJSSPP/article/view/203. Acesso em: 4 jun. 2026.