Nilnoree, Thanis, Somchai Anusontpornperm, Suphicha Thanachit, Irb Kheoruenromne, และ Preecha Petprapai. 2016. “Effect of Chicken Manure and Organic Wastes from Cassava Starch Manufacturing Plant on Cassava Grown on Dan Khun Thot Soil”. วารสารแก่นเกษตร 44 (1):167-78. https://li01.tci-thaijo.org/index.php/agkasetkaj/article/view/250303.