Albiso, K.M., Abenoja, R., Montepio, R. and Tuyogon, R. 2020. Development and Optimization of Vermitea Vortex Brewer. Southeastern Philippines Journal of Research and Development. 25, 1 (Mar. 2020), 75-90. DOI:https://doi.org/10.53899/spjrd.v25i1.58.