Raxmonberdiyeva , S. “XOR BO‘LIB KUYLASHDA VOKAL XOR MALAKALARINI SAMARALI SHAKLLANTIRISH USULLARI”. Innovative Development in Educational Activities, vol. 2, no. 6, Mar. 2023, pp. 158-62, https://openidea.uz/index.php/idea/article/view/904.