Аytpaeva .G. , Aubakirova , K. and Sametova , G. 2024. The state and religious organizations in Кazakhstan in the 1940s-1990s: methodological aspects of studying the problem and systematization of source: Research article . Bulletin of L.N. Gumilyov Eurasian National University. Historical Sciences. Philosophy. Religious Studies. 149, 4 (Dec. 2024), 342–358. DOI:https://doi.org/10.32523/2616-7255-2024-149-4-342-358.