@BOOK{ Book!D - 100993691,
AUTHOR = "/ Loren C. Larson",
TITLE = "Problem-solving through problems",
LIBRARY= "كتابخانه پردیس علوم (دانشگاه تهران)",
SUBJECT = "Mathematics -- Problems, exercises, etc,Problem solving",
URL = "/book/100993691/Problemsolving-through-problems/"}