“Mahalliy Fosfaritlar Asosida Olingan Ekstraktsion Fosfat Kislotasini bug’latish yo’li Orqali Konsentrlash”. Journal of Universal Science Research, vol. 1, no. 2, Feb. 2023, pp. 75-79, https://universalpublishings.com/~niverta1/index.php/jusr/article/view/130.