Maftunakhon Yuldashevna Ruzikulova. “ACTIVITY OF ENGINEERING AND HYDROTECHNICAL STAFF FROM CENTRAL FERGHANA PROVINCE AND THEIR PARTICIPATION IN IRRIGATION WORKS OF FOREIGN COUNTRIES (50-80 Years of 20th Century)”. EPRA International Journal of Research and Development (IJRD), vol. 8, no. 1, Jan. 2023, pp. 125-7, https://eprajournals.net/index.php/IJRD/article/view/1416.