SUMIANTO, Sumianto; SURTIKANTI, Hertien Koosbandiah; SOPANDI, Wahyu. Penerapan model problem based learning untuk meningkatkan kemampuan berfikir kritis dan sikap peduli lingkungan siswa sekolah dasar. Jurnal Abmas, [S. l.], v. 19, n. 2, p. 1–9, 2019. DOI: 10.17509/abmas.v19i2.226. Disponível em: https://ejournal-dppm.upi.edu/abmas/article/view/226. Acesso em: 1 aug. 2026.