WIHARJOKUSUMO, P.; MANIK, D. MARKETING STRATEGY OF LAKE TOBA 4 DAYS / 3 NIGHTS TOUR PACKAGE TO KUALA LUMPUR AT PT.NARASINDO TOUR & TRAVEL MEDAN. Jurnal Ilmiah Akomodasi Agung, [S. l.], v. 8, n. 1, 2021. Disponível em: https://journal.akpardarmaagung.ac.id/index.php/JIAA/article/view/55. Acesso em: 21 jan. 2026.