The potency and problems of natural tourism object Dolok Simago-Mago Sipirok in South Tapanuli Regency / Sri Yanti Hasibuan
xvi, 28 lembar ; 29,5 cm.
| Main Author: | SRI Yanti Hasibuan; MARSONO |
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| Published: |
Polytechnic PPKP Yogyakarta
2005
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| Subjects: |