MANALU, Andriono; SIMAMORA, Aprido; PURBA, Ika Damayanti; SINAGA, Novita. The Effectiveness of Problem Based Learning Model on Understanding Concepts and Science Process Skills As Implementation Independent Curriculum. Jurnal Ilmu Sosial dan Humaniora , [S. l.], v. 4, n. 2, p. 633–641, 2026. DOI: 10.58540/isihumor.v4i2.1679. Disponível em: https://putrapublisher.org/index.php/isihumor/article/view/1679. Acesso em: 25 may. 2026.