KILDEEV, Mansurr Vilevich. 2010. “Practical Experience of Sociological Studies of Religiosity in the USSR (1966-1991) and Its Significance for the Present. (On Materials of Tatarstan Autonomy)”. State, Religion and Church 28 (3): 40-45. https://state-religion-church.owebs.ru/article/view/10470.