Kabzhanova, G.R., K.S. Baktybekov, G.A. Kabdulova, A.A. Aimbetov, and L.R. Aligazhiyeva. 2020. “Use of the Earth Remote Sensing Data for the Monitoring of the Level of Soil Fertility”. Fundamental and Experimental Biology 100 (4):112-21. https://doi.org/10.31489/2020bmg4/112-121.