#5735214The Ukrainian SSR. Donetsk Public School No. 5. Student Sasha Sedykh works on an assignment during a class taught by Viktor Shatalov, the school's principal and innovative math teacher.Sign in or register,to downloadAdd to cartRemove from cartCategories: EducationLocation: Donetsk, Donetsk region, UkraineEvent date: 01.04.1988Date published: 17.12.2018Author: Alexander LiskinCredit: SputnikOriginal: 88-2601, 35 mm filmMedia: JPEG, 5372x3543px, 2.5MbexperimentschoollessonUkrainianSovietteacherinnovativemethodmathclassprincipalShatalovUSSRthe 1980s