Sirjon, Takahashi H, Setyaningsih D. COGNITIVE DEVELOPMENT IN EARLY CHILDHOOD: ANALYZING THE IMPACT OF PARENTAL INTERACTION AND EDUCATIONAL ENVIRONMENT. World Psychology [Internet]. 2026Feb.28 [cited 2026Mar.5];5(1):175-90. Available from: https://staialhikmahpariangan.ac.id/ejournal/Journal/index.php/wp/article/view/1221