RAFINI, Rafini; SUGIHARTI, Sugiharti; RAHAYU, Tri. Improving Student Learning Outcomes with Project Based Learning Chemical Elements. Research Journal on Teacher Professional Development, [S. l.], v. 1, n. 2, p. 197–207, 2023. Disponível em: https://journal.walisongo.ac.id/index.php/rjtpd/article/view/18428. Acesso em: 14 jun. 2026.