Penafiel, S. R., & Abad, B. R. (1970). Weed seed flora in nursery potting soils.
Chicago Style (17th ed.) CitationPenafiel, Samuel R., and B. R. Abad. Weed Seed Flora in Nursery Potting Soils. 1970.
MLA citiranjePenafiel, Samuel R., and B. R. Abad. Weed Seed Flora in Nursery Potting Soils. 1970.
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