Philippine Council For Agriculture, Forestry and Natural Resources Research And Development, & National Science and Technology Authority. (1986). State of the art non-metallic minerals: Fertilizer research. Philippine Council for Agriculture and Resources Research and Development.
Citazione stile Chigago Style (17a edizione)Philippine Council For Agriculture, Forestry and Natural Resources Research And Development, e National Science and Technology Authority. State of the Art Non-metallic Minerals: Fertilizer Research. Los Banos, Laguna: Philippine Council for Agriculture and Resources Research and Development, 1986.
Citatione MLA (9a ed.)Philippine Council For Agriculture, Forestry and Natural Resources Research And Development, e National Science and Technology Authority. State of the Art Non-metallic Minerals: Fertilizer Research. Philippine Council for Agriculture and Resources Research and Development, 1986.