Anggraini, Juni. 2023. “Pengaruh Pelaksanaan Event Internasional Terhadap Minat Berkunjung Kembali Ke Danau Toba ( Studi Kasus: F1 Powerboat Lake Toba 2023)”. Innovative: Journal Of Social Science Research 3 (6):9511-18. https://j-innovative.org/index.php/Innovative/article/view/7037.