Sustainable Tourism Development Review: Steeping Poverty in Samosir
Review Pembangunan Pariwisata Berkelanjutan: Meningkatnya Kemiskinan di Samosir
PUBLISHED IN ADVANCE SCIENCE LETTER JOURNAL
Volume 24, Number 12, December 2018, pp. 9441-9445(5)
https://doi.org/10.1166/asl.2018.12293