Busegenovna Konysbaeva, Alia, Zaure Shapaevna Karakulova, Ulbosyn Kozybaevna Kyyakbaeva, Sholpan Saparbaikyzy, and Almira Ayapbergenova. “Anxiety Manifestations Typical of Senior Preschool Children”. Opción 350 (August 3, 2019): 1098-1124. Accessed July 12, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/30451.