Sultanova Sh.A., Safarov J.E., Dadayev G.T., Jumayev B.M. “Research Drying Medicinal Plants Using A Helio Accumulation Drying Equipment”. International Journal of Advanced Science and Technology 29, no. 9s (May 20, 2020): 5858-5862. Accessed July 30, 2021. https://sersc.org/journals/index.php/IJAST/article/view/18642.