Lumba, L. G. (1971). Incorporation of phosphorus - 32 in commercial superphosphate. Philippine Atomic Energy Commission.
Lua i Stíl Chicago (17ú heag.)Lumba, Linda G. Incorporation of Phosphorus - 32 in Commercial Superphosphate. Manila: Philippine Atomic Energy Commission, 1971.
Lua MLA (9ú heag.)Lumba, Linda G. Incorporation of Phosphorus - 32 in Commercial Superphosphate. Philippine Atomic Energy Commission, 1971.
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