“THE AMOUNT OF FREE AMINO ACIDS AND PROLINE IN SOME HERBS”. Proceedings of the YSU B: Chemical and Biological Sciences 35, no. 3 (196) (October 31, 2001): 129–133. Accessed January 21, 2026. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol35_no3_2001_pp129-133.