MARSONO, S. Y. H. (2005). The potency and problems of natural tourism object Dolok Simago-Mago Sipirok in South Tapanuli Regency / Sri Yanti Hasibuan. Polytechnic PPKP Yogyakarta.
Chicago Style CitationMARSONO, SRI Yanti Hasibuan. The Potency and Problems of Natural Tourism Object Dolok Simago-Mago Sipirok in South Tapanuli Regency / Sri Yanti Hasibuan. Polytechnic PPKP Yogyakarta, 2005.
MLA CitationMARSONO, SRI Yanti Hasibuan. The Potency and Problems of Natural Tourism Object Dolok Simago-Mago Sipirok in South Tapanuli Regency / Sri Yanti Hasibuan. Polytechnic PPKP Yogyakarta, 2005.
Warning: These citations may not always be 100% accurate.