Candrasari, Pipit, Ali Usman, and Dewi Kartika Sari. “Implementasi Problem Based Learning Dipadu NHT Untuk Meningkatkan Hasil Belajar Peserta Didik SMA Negeri 02 Bondowoso”. Education Journal : Journal Educational Research and Development 7, no. 2 (January 9, 2024): 280–288. Accessed August 23, 2025. https://jurnal.unipar.ac.id/index.php/ej/article/view/1312.