Ильясова, М.Ж. “VALIDITY AND RELIABILITY OF THE ASSESSMENT TOOL IN THE FRAMEWORK OF PROFESSIONAL DEVELOPMENT OF TEACHING STAFF”. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences 79, no. 3 (September 28, 2022): 296–302. Accessed November 21, 2024. https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/1117.