“PHENOTYPICAL VARIABILITY OF WILD POPULATIONS AND CULTURE STOCK OF RAINBOW TROUT ONCORHYNHUS MYKISS IN WATER BODIES OF THE BALKHASH BASIN ”. Experimental Biology, vol. 95, no. 2, June 2023, pp. 106-15, https://doi.org/10.26577/eb.2023.v95.i2.010.