“The Development of E-UKBM of Acid-Bases in Chemistry Based on Problem Based Learning Integrated With Sikkanese Lokal Culture: The Development of E-UKBM of Acid-Base in Chemistry Based on Problem-Based Learning Integrated With Sikkanese Local Culture”. Jurnal TEKNODIK, Juni 2022, hlm. 23-38, https://doi.org/10.32550/teknodik.vi.885.