Pedagogika i metodika nachalʹnogo obucheniia

Gertsenovskie chteniia (mezhvuzovskaia konferentsiia 30th Leningrad 1977), Natalʹi︠a︡ Mikhaĭlovna Druzhinina, Leningradskiĭ gosudarstvennyĭ pedagogicheskiĭ institut imeni A.I. Gert︠s︡ena