Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Sumitra Tanaya, I., Alit Swamardika, I., & Care Khrisne, D. (2021). RANCANG BANGUN GROUND STATION DENGAN TAMPILAN GRAPHICAL USER INTERFACE PADA WAHANA ROKET BERBASIS PROCESSING DAN MENGGUNAKAN ATMEGA 328. Jurnal SPEKTRUM, 8(1), 45-52. doi:10.24843/SPEKTRUM.2021.v08.i01.p6