B. Shankar, R. Gowda, B. Pattnaik, B. M. Prabhu, S. Patil, and H. Pradhan, “Performance and Economic Characteristics of Broilers Fed Varying Dietary Levels of Neem Leaf Meal (Azadirachta indica)”, Int. J. Poult. Sci., vol. 8, no. 3, pp. 256–259, Feb. 2009, doi: 10.3923/ijps.2009.256.259.