Gulomjon M. Norov, Oybek J. Khudayberdiev, Safarboy Kh. Rakhmatov and Maksud R. Mekhmonov 2023. DETERMINATION OF CONVEX SHAPE OF THE TRAJECTORY OF THE QUARRY BOARD TRAJECTORY BY THE METHOD OF CUBIC SPLINES. The American Journal of Interdisciplinary Innovations and Research. 5, 11 (Nov. 2023), 51–62. DOI:https://doi.org/10.37547/tajiir/Volume05Issue11-08.