EGO WIDORO; DIDING SUNARDI; BAGAS PRADITYO. MODIFIKASI SPECIAL TOOLS PEMASANG POWER OUTPUT SEAL BERSUDUT 90° PADA ENGINE ALLISON 250 – C20 SERIES DI SEKOLAH TINGGI PENERBANGAN INDONESIA. Langit Biru: Jurnal Ilmiah Aviasi, indonesia, v. 10, n. 1, p. 22–42, 2017. DOI: 10.54147/langitbiru.v10i1.103. Disponível em: https://jurnal.overthinkingku.com/index.php/jurnal-ilmiah-aviasi/article/view/103. Acesso em: 10 may. 2026.