YURINA EKA FADILA; NATASYA INTAN WANDITA; DWI SINTA CAHYANI; UL’FAH HERNAENY M.PD. ANALISIS IMPLEMENTASI PROBLEM BASED LEARNING DALAM PEMECAHAN INTEGRAL TAK TENTU FUNGSI ALJABAR & TRIGONOMETRI. Trigonometri: Jurnal Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 4, n. 2, p. 41–50, 2024. DOI: 10.3483/trigonometri.v4i2.4820. Disponível em: https://ejournal.warunayama.org/index.php/trigonometri/article/view/4820. Acesso em: 29 aug. 2025.