(1981). Schistosomiasis: What is it about? U.P. Science Education Center for NSDB.
Chicago Style (17. basım) AtıfSchistosomiasis: What Is It About? Quezon City: U.P. Science Education Center for NSDB, 1981.
MLA (9th ed.) AtıfSchistosomiasis: What Is It About? U.P. Science Education Center for NSDB, 1981.
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