REVIDA, E., 		ISMAIL, R., 		LUMBANRAJA, P., 		TRIMURNI, F., 		SEMBIRING, S., & 		PURBA, S.
2022 Dec 31.  The Effectiveness of Attractions in Increasing the Visits of Tourists in Samosir, North Sumatera. Journal of Environmental Management and Tourism. [Online] 13:8