Siregar, Hermanto, Professor of Economics and Management Faculty, IPB University Bogor, Indonesia

• ASTONJADRO Vol. 11 No. 1 (2022): ASTONJADRO - Articles
  PERFORMANCE OF THREE ARMS SIGNALIZED INTERSECTION AT SALABENDA IN BOGOR REGENCY
  Abstract  IN ENGLISH PDF
• ASTONJADRO Vol. 11 No. 1 (2022): ASTONJADRO - Articles
  TRAFFIC DENSITY DUE TO MOTORCYCLE NOISE DURING THE PANDEMIC COVID-19
  Abstract  IN ENGLISH PDF