Besas, Ulysses, Larry Aceres, and Sinneth Caniones. 2020. “Potential of Vermicompost Drippings and Other Vermicomposting Products on the Growth and Yield of Lettuce”. Southeastern Philippines Journal of Research and Development 25 (1):33-46. https://doi.org/10.53899/spjrd.v25i1.66.