CALMUȚCHI, L., MELENTIEV, E., & SPANCIOC, M. (2019). PHYTOCHEMICAL RESEARCH OF BIOLOGICALLY ACTIVE SUBSTANCES FROM THE BUDS AND LEAVES OF THE BIRCH TREE. Acta Et Commentationes Exact and Natural Sciences, 7(1), 22-28. https://doi.org/10.36120/2587-3644.v7i1.22-28