Salvia, K. J. and Valderama, J. (2021) “Layer Poultry Farming and Egg Production Profitability Model: Basis of Layer Harvesting”, International Journal of Arts, Sciences and Education, 2(1), pp. 168–173. Available at: https://www.mail.ijase.org/index.php/ijase/article/view/46 (Accessed: 16 April 2026).