Subchan, Subchan, and Tahiyatul Asfihani. 2013. “THE MISSILE GUIDANCE ESTIMATION USING EXTENDED KALMAN FILTER-UNKNOWN INPUT-WITHOUT DIRECT FEEDTHROUGH (EKF-UI-WDF) METHOD”. Journal of the Indonesian Mathematical Society 19 (1):1-14. https://doi.org/10.22342/jims.19.1.124.1-14.