RAMANDANI, Risqilia; LESTARI, Nurita Apridiana; BUDIARTO, Eko; UULAA, Rizki Fitri Rahima. Problem Based Learning Modules in Environmental Education to Improve Problem Solving Ability. International Journal of Research and Community Empowerment, Sidoarjo, Indonesia, v. 2, n. 1, p. 1–13, 2023. DOI: 10.58706/ijorce.v2n1.p1-13. Disponível em: https://journal.edupartnerpublishing.co.id/index.php/ijorce/article/view/65. Acesso em: 26 apr. 2026.