1. United Nations. Work of the Statistical Commission pertaining to the 2030 Agenda for Sustainable Development, 2017
2. World Bank. World Development Report, 2019.
3. Bronfenbrenner U. Ecological systems theory. In R. Vasta (Ed.), Six theories of child development: Revised formulations and current issues (pp. 187–249). Jessica Kingsley Publishers, 1992.
4. Cohen D. Why there are so few male teachers in early grades. Education Digest, 1992, 57(6), 11.
5. MacNaughton G. Newman B. Masculinities and men in early childhood: Reconceptualising our theory and our practice. In E. Dau (Ed.), The anti-bias approach in early childhood (2nd ed. pp. 145–157). Frenchs Forest, NSW: Pearson Education, 2001.