Wikandaru, R., Ketut Gunawan, Anton Sudiyanto, Edy Nursanto, Tedy Agung Cahyadi, Yudha Krisna Suhendra, & Rizky Ikhsan Luthfian Noor. (2019). Analysis The Effect of Drone Flying Altitude On The Geometry Accuracy Of Photo Map. ReTII, 143–151. Retrieved from https://journal.itny.ac.id/index.php/ReTII/article/view/1422