Huck Ywih Ch'ng, Huck, Osumanu Haruna Ahmed, Susilawati Kassim, and Nik Muhamad Ab Majid. 2013. “Co-Composting of Pineapple Leaves and Chicken Manure Slurry”. International Journal of Recycling of Organic Waste in Agriculture 2 (1). https://doi.org/10.1186/2251-7715-2-23.