Effect of motor vehicle emissions on horse raddish (Moringa oliefera) and katuray (SEsbania grandiflora) grown along major highways in Batac City, Ilocos Norte - Sagario, Marry-Ann R. (2013)
Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City
Bibliography: leaves 48-49