Ильясова, М. (2022) “VALIDITY AND RELIABILITY OF THE ASSESSMENT TOOL IN THE FRAMEWORK OF PROFESSIONAL DEVELOPMENT OF TEACHING STAFF”, Bulletin of the Abai KazNPU, the series of "Physical and Mathematical Sciences". Алматы, Казахстан, 79(3), pp. 296–302. doi: 10.51889/8354.2022.75.92.035.