Gita Lestari, Made Ayu, and I Nyoman Bagiastra. “The Validity of A Sale and Purchase Agreement Via The Internet Reviewed From A Civil Law Perspective”. West Science Interdisciplinary Studies 2, no. 06 (June 29, 2024): 1249–1256. Accessed September 20, 2024. https://wsj.westscience-press.com/index.php/wsis/article/view/1018.