Obadiah, Jason, Universitas Multimedia Nusantara, Indonesia

• Vol 10 No 1 (2017): Ultimart: Jurnal Komunikasi Visual - Articles
  A Report on The Acoustic Conditions of IEQ Laboratory Using ISO 3382-3
  Abstract  PDF
• Vol 10 No 2 (2017): Ultimart: Jurnal Komunikasi Visual - Articles
  Designing Roadside Noise Barrier
  Abstract  PDF
• Vol 12 No 1 (2019): Ultimart: Jurnal Komunikasi Visual - Articles
  FIELD MEASUREMENT OF AIRBORNE SOUND INSULATION BETWEEN ROOMS
  Abstract  FIELD MEASUREMENT OF AIRBORNE SOUND INSULATION BETWEEN ROOMS.pdf (Bahasa Indonesia)