YODGOROVA M.O. DETERMINATION OF BIOLOGICALLY ACTIVE SUBSTANCES BY MODERN METHODS. The American Journal of Engineering and Technology, [S. l.], v. 4, n. 02, p. 5–8, 2022. DOI: 10.37547/tajet/Volume04Issue02-02. Disponível em: https://www.theamericanjournals.com/index.php/tajet/article/view/3484. Acesso em: 2 oct. 2025.