Dung, P. and Nguyen, T. (2021) “Synthesis of pyrano[3,2-c]quinoline derivatives using catalyst prepared from L-proline and p-toluenesulfonic acid”, Science and Technology Development Journal - Natural Sciences, 5(3), pp. 1275-1283. doi: https://doi.org/10.32508/stdjns.v5i3.1008.