Akhmatov Azizbek Abduvakhob oglu, Isroilova Nazimakhan Salokhiddinovna, and Omonboyeva Muxlisa Javlonbek kizi, “FIRST ORDER DIFFERENTIAL EQUATIONS SOLUTION METHODS AND SECOND ORDERLY DIFFERENTIAL EQUATIONS AND MECHANICAL ANALYZING MODELS​”, imjrd, vol. 13, no. 06, pp. 271–275, Jun. 2026.