M. Ichwan Ridhani, Ego Widoro, and M. Subiat Wiranata Kusuma. “RANCANGAN MODIFIKASI ALAT PENARIK BETA SISTEM PROPELLER HARTZELL TIPE HC-E4N-3G SERIES DI BALAI BESAR KALIBRASI FASILITAS PENERBANGAN”. Langit Biru: Jurnal Ilmiah Aviasi, Vol. 11, no. 1, Feb. 2018, pp. 42-51, https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/201.