Özlü, S. “Comparative Staging of Blastoderm Development at Oviposition in Eggs from Layer and Broiler Grandparent Breeder Flocks”. Turkish Journal of Agriculture - Food Science and Technology, vol. 9, no. 6, July 2021, pp. 1232-6, doi:10.24925/turjaf.v9i6.1232-1236.4348.