Khoshimov Bekzod, Myachina Olga, and Kim Rimma. “RESULTS OF PHYSICAL AND CHEMICAL RESEARCH OF PHOSPHORUS FERTILIZERS AND PROBLEMS IN CERTIFICATION”. JournalNX - A Multidisciplinary Peer Reviewed Journal, vol. 7, no. 10, Oct. 2021, pp. 96-100, doi:10.17605/OSF.IO/RZKE3.