Pursuing food security : strategies and obstacles in Africa
edited by W. Ladd Hollist and F. LaMond Tullis1987 年出版0 页ISBN：
LABORATORY TECHNIQUES IN BIOCHEMISTRY AND MOLECULAR BIOLOGY VOLUME 2
AMERICAN ELSEVIER PUBLISHING COMPANY2222 年出版400 页ISBN：
LEARNING STRATEGIES AND LEARNING STYLES
RONALD R.SCHMECK1988 年出版368 页ISBN：0306428601
