Purinthrapibal , P., Choosuwan, A., Sripakdee, S., Kongtongsang, S., Naunthong, R., Khunsri, S., Phatchuay, N., Kaewtong, A. and Kongkanon, .P. 2020. Using Ishikawa Diagram to Analysis Causes of Survival of Microorganism in Steamed Ground Poultry Meat as Ingredient of the Blenderized Formula for Tube Feeding: A Case Study at Phatthalung Hospital. Rajamangala University of Technology Srivijaya Research Journal. 12, 3 (Oct. 2020), 495–505.