A study of the Florida natural sponge industry with special emphasis on its marketing problems Petrof, John Vasil, 1933- creator text book 1967 1967
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ENG Manuscript copy. Thesis--University of Florida, 1967. Vita. Dissertations, Academic Florida Marketing Marketing thesis Ph. D Sponges UF https://www.biodiversitylibrary.org/bibliography/36858 13692581 10.5962/bhl.title.36858 FUG