@incollection{, 29ED17DF5F201CEF46A8F02E72CA5106 , author={{Sarintan EfrataniDamanik} and {Simalungun University}}, journal={{Global Journal of Management and Business Research}}, journal={{GJMBR}}2249-45880975-585310.34257/GJMBR, address={Cambridge, United States}, publisher={Global Journals Organisation}15215 } @book{b0, , title={{Introduction to the Science of Tourism}} , author={{ A } and { YoetiOka }} , year={1996} , publisher={Publisher Angkasa Bandung} , note={Revised Edition} } @book{b1, , title={{Procedure Research (A Pendaekatan Practice), Publisher Rineka Cipta}} , author={{ SuharnisiArikunto }} , year={2006} , address={Jakarta} } @book{b2, , title={{Tourism and Economic Development (Bali As the case)}} , author={{ NyomanEarawan } and { I }} , year={1994} , address={Upada Satra, Denpasar} } @book{b3, , title={{}} , author={{ HappyMarpaung } and { BaharHerman }} , year={2002} , publisher={Publisher Alfabeta} , address={Bandung} , note={Introduction to Tourism} } @book{b4, , title={{Knowledge of Tourism}} , author={{ HappyMarpaung }} , year={2002} , address={Alfabeta, Bandung} } @book{b5, , title={{Complete Dictionary of Indonesian}} , author={{ AYounger } and { K }} , year={2006} , address={Reality, Jakarta} } @incollection{b6, , title={{}} , author={{ RHChandra }} , journal={{Candra, yahoo.com}} 100 , year={2011. Tuesday, 06.19.2011} } @book{b7, , title={{Against Public Participation Potesi Development of Marine Tourism Region Tourism Object Girsang Sipangan Bolon}} , author={{ Sutan }} , year={2007} Thesis Master Program Graduate Management USU Medan } @incollection{b8, , title={{}} , author={{ Republic Of Indonesia }} , journal={{Financial Balance Between Central and Local Government}} 33 , year={2004} } @incollection{b9, , title={{}} , journal={{Toba Samosir in Figures}} , year={2009} }