Darwis, D., et al. “SEAMLESSLY TOURING LHOKSEUMAWE CITY: ANDROID GIS FOR LOCATIONS AND LODGING”. International Journal of Allied Research in Engineering and Technology (IJARET), vol. 13, no. 8, Aug. 2022, pp. 10-21, https://zapjournals.com/Journals/index.php/IJARET/article/view/773.