“Voleybolchilarni tayyorlashda differensial vositalaridan foydalanishning zarurligini, ularning o‘yin ampluasini hisobga olgan holda aniqlash usullari” (2026) MAKTABGACHA VA MAKTAB TA’LIMI JURNALI, 4(2). doi:10.5281/zenodo.18711443.