Nur Kholifah, Ahmad Zainuddin, Mustain Mustain, Subandi Subandi, Aniek Indrawati, Ludi Vishnu Wardana, and Angga Martha Mahendra. 2023. “Problems of Business Education in Early Childhood Education ( PAUD ): Systematic Literature Review (SLR)”. International Journal of Education, Language, Literature, Arts, Culture, and Social Humanities 1 (1):64-78. https://pbsi-upr.id/index.php/ijellacush/article/view/84.