References

References
GILBERT, S. G.1965. Atlas of general zoology. Minneapolis: Burgess Publishing Company.
Gilbert
Atlas of general zoology
1965
POSTLETHWAIT, S.N., NOVAK, J.D., and MURRAY, H.T. 1972. The audio-tutorial approach to learning. 3rd ed. Minneapolis: Burgess Publishing Company.
Postlethwait
3
The audio-tutorial approach to learning
1972
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