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 October 30, 2025. https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30451.