S. Sittijunda, P. . . Tharangsri, C. . . Nualsri, and C. Sreela-or, “EFFECTS OF FERTILIZER PELLETS FROM HYTHANE PRODUCTION FROM STILLAGE AND BREWER’S YEAST CELLS CO-DIGESTED OF ORGANIC MATERIALS ON GROWTH AND YIELD OF RICE”, PSRU J. Sci. Tech., vol. 6, no. 3, pp. 34–44, Dec. 2021.