Agustia, Dwi, Erfan Ramadhani, and Nurlela Nurlela. “Pengaruh Bimbingan Klasikal Terhadap Peningkatan Pengetahuan Dampak Sel-Harm Siswa Di SMP Negeri 1 Jirak Jaya”. PPSDP Undergraduate Journal of Educational Sciences 2, no. 2 (December 31, 2025): 351–359. Accessed July 10, 2026. https://ejournal.ppsdp.org/index.php/pujes/article/view/709.