Želvys, Rimantas, Kamchat Esenova, and Ainur Rakhymberdiyeva. “The Managerial Experience and Postgraduate University Training of School Principals: A Comparison of Two Post-Socialist Countries Using TIMSS 2015 and PIRLS 2016 Data”. Acta Paedagogica Vilnensia 42 (July 12, 2019): 75–84. Accessed November 7, 2025. https://www.zurnalai.vu.lt/acta-paedagogica-vilnensia/article/view/13284.