Ni’mah, F. “Training on Simple Determination of Acid Numbers for Students of SMK 01 Palangkaraya: Pelatihan Penentuan Bilangan Asam Secara Sederhana Untuk Siswa SMK 01 Palangkaraya”. NAWASENA : JOURNAL OF COMMUNITY SERVICE, vol. 1, no. 02, Oct. 2023, pp. 54-59, https://e-journal.upr.ac.id/index.php/JCS/article/view/12195.