Proses kebijakan sebagai hierarki dalam mendorong upgrading teknologi pada global value chain industri pesawat terbang nasional (analisis kegagalan program pesawat N 250 IPTN) = Policy process as hierarchy for supporting technology upgrading to global value chain national aircraft industry (analysis of the failure of N 250 aircraft program IPTN) - Muhammad Athar Ismail Muzakir, author (2015)