Iriani, Dwi Hartina, - Syahdan, and - Nuriadi. “The Effect of Early English Learning on Psychology: Seven Years Old Children”. International journal of social sciences and humanities 2, no. 1 (February 10, 2018): 65–74. Accessed July 17, 2024. https://sciencescholar.us/journal/index.php/ijssh/article/view/82.