Phetmak, Kannika, Somchai Anusontpornperm, Irb Kheoruenromne, และ Suphicha Thanachit. 2019. “Effects of Chicken Manure, Perlite and Rate of Chemical Fertilizer on Virgin Cane Grown in a Coarse-Textured Soil”. วารสารแก่นเกษตร 47 (1):1-14. https://li01.tci-thaijo.org/index.php/agkasetkaj/article/view/249762.