Kasprzhak, Anatoly, Nikolay Filinov, Rustam Bayburin, Natalia Isaeva, and Nadezhda Bysik. 2015. “School Principals As Agents of the Russian Education Reform”. Voprosy Obrazovaniya / Educational Studies Moscow, no. 3 (September), 122-43. https://doi.org/10.17323/1814-9545-2015-3-122-143.