Items where Year is 1981
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Number of items: 3.
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Sastronaryatmo, Moelyono (1981) Babad Mangkubumi. Perpustakaan Nasional Republik Indonesia, Jakarta.
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Webb, J. E. and Wallwork, J. A. and Elgood, J. H. (1981) Guide to Living Amphibians. Classification Guides . Macmillan Education UK, London. ISBN 9780333306017
Webb, J. E. and Wallwork, J. A. and Elgood, J. H. (1981) Guide to Living Fishes. Macmillan Education, UK, London. ISBN 9780333233306