Putri A.P., Suparno S., Issaliyeva S., Issaliyeva S., Retnawati H, Arpentieva M.R., & Kassymova G.K. (2020). EFFECT OF PROBLEM BASED LEARNING MODELS ON THE ABILITY TO REMEMBER ENGLISH VOCABULARY IN PRESCHOOL . «Вестник НАН РК», (3), 202–210. извлечено от http://189185.vm7pq.group/bulletin-science/article/view/523