Sabirova, Shakhnoza. « THE EFFECT OF SOWING PERIODS AND MINERAL FERTILIZERS ON SPRING WHEAT YIELD IN KARAKALPAKSTAN ». International Conference on Science & Technology, т. 2, вып. 7, июль 2026 г., сс. 47-50, https://uniconflix.com/index.php/ICST/article/view/5613.