WAJIHA KANWAL, KHALID MEHMOOD, RASHDA PERVEEN. Development of skills at the preoperational stage; A comparative study on Cognitive development of Urban and rural children. JECCE, [S. l.], v. 7, n. 1, 2023. DOI: 10.30971/jecce.v7i1.1450. Disponível em: https://ojs.aiou.edu.pk/index.php/ecce/article/view/1450. Acesso em: 9 may. 2024.