“ANALYSIS OF MUTAGENESIS IN APICAL MERISTEMS OF ROOTS Zea mays L. (POACEAE) INDUCED BY COMBINED ACTION THE IONS OF CADMIUM, NICKEL AND ZINC”, EB-KRD, vol. 6, pp. 92–105, Dec. 2021, doi: 10.31812/eco-bulletin-krd.v6i0.4563.