Arisandi , Effendi Dodi. “MULTI FREKUENSI ENCODER FLIGHT TERMINATION SYSTEM (MULTI FREQUNECY ENCODER FLIGHT TERMINATION SYSTEM)”. Indonesian Journal of Aerospace, vol. 13, no. 1 Juni, July 2025, pp. 87-93, https://ejournal.brin.go.id/ijoa/article/view/12425.