1.
Loka Andari IAKM, Darsana IW, Sri Asri A. Pengaruh Model Problem Based Learning (PBL) Berbasis Portofolio Terhadap Hasil Belajar IPS. International j.of Elementary Education [Internet]. 10 Oktober 2019 [dikutip 19 Mei 2024];3(4):373-80. Tersedia pada: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/21309