@BOOK{ Book!D - 105301065,
AUTHOR = "/ ‎John P. D'Angelo, Douglas B. West",
TITLE = "Mathematical thinking problem  -solving and proofs",
LIBRARY= "سازمان اسناد و كتابخانه ملی جمهوری اسلامی ایران",
SUBJECT = "حل مساله,problem solving,a03,a03,ری‍اض‍ی‍ات‌",
URL = "/book/105301065/Mathematical-thinking-problem-solving-and-proofs/"}