Riko Fridolend Sianturi, Lasma Ria Tampubolon, Ferdinand Napitupulu. The Impact of Infrastructure Development and the Role of Community Leaders on the Number of Visits and the Image of Spinsur Tourism in the Lake Toba Region, North Sumatra with the Partial Least Square Method. JMBEP [Internet]. 2022Mar.6 [cited 2026Mar.24];8(1):49-5. Available from: https://www.jurnal.eka-prasetya.ac.id/MBEP/article/view/221