Trang, Quang Vinh. “Designing and Using Assignments of Problem-Raising in Chapter Amine, Amino Acid and Protein in Grade-12 Chemistry”. Dong Thap University Journal of Science, no. 11 (December 22, 2014): 83–88. Accessed September 8, 2024. https://dthujs.vn/index.php/dthujs/article/view/1083.