Hyman, David N., author
Study guide for use with economics
Richard D. Irwin, 1971
 Buku Teks
Thecher's study guide on the biology of human populations : Asia
The Unesco Press, 1975
 Buku Teks
Fraser, Dean
Study guide in audiotutorial biology / Dean Fraser
Burgess Publishing, 1979
 Buku Teks
Study guide to accompany : botany an introduction to plant biology
by T. Elliot Weier ... [et al.]
John Wiley & Sons, 1982
 Buku Teks
Wrensch, Dana L., author
Understanding biology : basic concepts in biology
Kendall/Hunt, 1992
 Buku Teks
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