Manurung RP, Boleng DT, Lumowa SVT, Akhmad, Sukartiningsih, Daru TP, et al. Development of Learning Tools Social Emotional Defense to Improve Learning Outcomes and Critical Thinking Skills in Human Reproductive System Materials in SMP Negeri 2 Intu Lingau. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Jul. 25 [cited 2024 Aug. 4];10(7):3838-49. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/7505