D. Azizah, M. Ulfah, and M. Fahrudin, “The Influence of Hen Age on Hatching Egg Quality and Embryonic Development of Sentul Chickens”, HAYATI J Biosci, vol. 32, no. 5, pp. 1368–1376, Jun. 2025, doi: 10.4308/hjb.32.5.1368-1376.