Irene Agustin. “Penerapaan Model Problem Based and Learning Dalam Meningkatkan Hasil Belajar Dan Sikap Gotong Royong Berbantuan Media Audio Visual”. PROSIDING SEMINAR NASIONAL PENDIDIKAN DAN AGAMA 4, no. 2 (November 17, 2023): 761–774. Accessed July 22, 2024. https://badanpenerbit.org/index.php/SEMNASPA/article/view/1331.