最新正版北大中文核心期刊目录总览(2011年版_第六版)-New Genuine overview Peking Chinese core periodicals catalog 2011 edition Sixth Edition

高等数学(同济第六版) 大学最头疼的一门课程，很有代表的一本书，好不容易才找到的电子版的-Advanced mathematics (university of tongji sixth edition), one of the most frustrating course is representative of a book, very not easy to find the electronic version