O‘roqboyev Firdavs Zayniddin o‘g‘li. “ERITROTSITLAR MIQDORI VA CHO‘KISH TEZLIGINI ANIQLASH”. Ustozlar uchun 22, no. 1 (September 10, 2023): 43–46. Accessed September 20, 2024. http://pedagoglar.uz/index.php/01/article/view/6455.