L. Soliev Tajik State Pedagogical University named after S. Ayni, Dushanbe Tajikistan
M. T. Dzhumaev Tajik State Pedagogical University named after S. Ayni, Dushanbe Tajikistan
B. B. Dzhabborov Tajik State Pedagogical University named after S. Ayni, Dushanbe Tajikistan
© Chimica Techno Acta, 2014-2020ISSN 2411-1414 (Online), ISSN 2409-5613 (Print)