Mubarakah, S., Y. D. Handayani, and R. Marlina. “Mengembangkan Potensi Siswa SMAN 2 Rangkas Bitung Melalui Produksi Hand Soap Ramah Lingkungan”. IKRA-ITH ABDIMAS, Vol. 9, no. 3, Nov. 2025, pp. 370-8, https://journals.upi-yai.ac.id/index.php/IKRAITH-ABDIMAS/article/view/5751.