Ahmad Kosasih, Dian Anggraini Purwaningtyas, & Riyanto Saputro. (2025). Development of the Environment Readiness Index (ENRI) for Supporting Infrastructure Assessment in CNSD Facilities. Langit Biru: Jurnal Ilmiah Aviasi, 18(3), 165–172. https://doi.org/10.54147/langitbiru.v18i3.1620