Humera Naz Fayyaz, Jawad Ali, and Dr. Shelina Bhamani. “Early Childhood Teacher Competencies: Perspectives of Educational Leaders of Public and Private Sector in Karachi”. Sjesr, Vol. 4, no. 2, Aug. 2021, pp. 466-7, doi:10.36902/sjesr-vol4-iss2-2021(466-476).