Roedyarto Dihardjo, J. A. M. I. A. B. W. , (2020) “Implementation of high altitude platform system to improve independence and nation competitiveness in the field of defense telecommunication technology”, International Journal of Advanced Science and Technology, 29(3s), pp. 395 - 403. Available at: http://sersc.org/journals/index.php/IJAST/article/view/5617 (Accessed: 26April2024).