Putri A.P., Suparno S., Issaliyeva S., Issaliyeva S., Retnawati H, Arpentieva M.R. и Kassymova G.K. 2020. EFFECT OF PROBLEM BASED LEARNING MODELS ON THE ABILITY TO REMEMBER ENGLISH VOCABULARY IN PRESCHOOL . Научный журнал «Вестник НАН РК» . 3 (июн. 2020), 202–210.