Kriukova, A., I. Vladymyrova, O. Levashova, and T. Tishakova. “Determination of Amino Acid Composition in the Harpagophytum Procumbens Root”. Dhaka University Journal of Pharmaceutical Sciences, vol. 18, no. 1, June 2019, pp. 85-91, doi:10.3329/dujps.v18i1.41895.