Arroyo, E. J. N., Hurtada, W. A., & Dizon, E. I. (2003). Microbial and filth contents of lettuce (Lactuca sativa L.) and upland kangkong (Ipomea acquatica Forssk) grown in selected production systems. Compendium of Human Ecology Researches in the Philippines.
Cita Chicago (17th ed.)Arroyo, E. J. N., W. A. Hurtada, i E. I. Dizon. "Microbial and Filth Contents of Lettuce (Lactuca Sativa L.) and Upland Kangkong (Ipomea Acquatica Forssk) Grown in Selected Production Systems." Compendium of Human Ecology Researches in the Philippines 2003.
Cita MLA (9th ed.)Arroyo, E. J. N., et al. "Microbial and Filth Contents of Lettuce (Lactuca Sativa L.) and Upland Kangkong (Ipomea Acquatica Forssk) Grown in Selected Production Systems." Compendium of Human Ecology Researches in the Philippines, 2003.