Ahmad Rizaldy, Feti Fatonah and Bambang Wijaya Putra 2019. RANCANGAN ALAT MONITORING PERUBAHAN SUHU PADA SHELTER VOR (VHF OMNIDIRECTIONAL RANGE), SHELTER GLIDE PATH DAN SHELTER LOCALIZER BERBASIS SMS GATEWAY DI BANDAR UDARA INTERNASIONAL HANG NADIM BATAM. Langit Biru: Jurnal Ilmiah Aviasi. 12, 1 (Feb. 2019), 99-108.