Profil penulis
Umar Said
4 karya publik ditemukan.
2019: 12018: 12017: 2
Pengantar hukum Indonesia
Memeriksai ʻalam kebenaran
Peran stasiun radio phb AURI
Author's account on the role of Indonesian Air Force's radio communication in Indonesian revolution, 1948-1949; journey from Jambi to Bukittinggi, West Sumatra