Maulana Putra, Taufan, and Dwiki Akmal Murad. “GACOR (Gastric Acid Detector) : Inovasi Alat Pengukur Tingkat Asam Lambung”. AJIE (Asian Journal of Innovation and Entrepreneurship) 6, no. 01 (January 31, 2022): 41–49. Accessed December 6, 2025. https://journal.uii.ac.id/ajie/article/view/25506.