@BOOK{ Book!D - 89139728,
AUTHOR = "Plantinga, Alvin.",
TITLE = "Essays in the metaphysics of modality",
LIBRARY= "كتابخانه دانشگاه مفيد",
SUBJECT = "، Modality )Logic(,، Metaphysics",
URL = "/book/89139728/Essays-in-the-metaphysics-of-modality/"}