News :
1. https://sumut.antaranews.com/berita/425241/citilink-dapat-penghargaan-lake-toba-tourism-awards-2021-2022-dari-itta-foundation
2. https://waspada.co.id/2021/09/konsisten-terhadap-pelayanan-citilink-indonesia-raih-lake-toba-tourism-2021/
3. https://www.hetanews.com/tag/lake-toba-tourism-awards