“Analysis of the State of Plant Cover of the Berezovka River Basin of the West-Kazakhstan Region Based on NDVI”. ҚазҰУ Хабаршысы. География сериясы, vol. 61, no. 2, June 2021, pp. 53-64, https://doi.org/10.26577/JGEM.2021.v61.i2.05.