Husmaini, Abbas, M., Purwati, E., & Erwan, E. (2013). Effect of the Levels of the Virgin Coconut Oil Processing Waste (Blondo) on Productive Performance and Egg Quality of Laying Hens. International Journal of Poultry Science, 12(3), 164–168. https://doi.org/10.3923/ijps.2013.164.168