Perak : Ipoh sheet /

Geahča maid

• The geology and mineral resources of the Kinta Valley, Perak/
  Dahkki: 340436 Ingham, F. T., et al.
  Almmustuhtton: (1960)
• Kedah/Perak
  Dahkki: 178874 Burton, C. K.
  Almmustuhtton: (1970)
• The geology and mineral resources of the Baling area, Kedah and Perak/
  Dahkki: 178874 Burton, C. K.
  Almmustuhtton: (1970)
• Strategi perancangan ke arah pemeliharaan kawasan bukit batu kapur : kajian kes : Majlis Bandaraya Ipoh, Perak /
  Dahkki: 224728 Syed Amer Syed Abdul Hamid
  Almmustuhtton: (2002)
• The geology and mineral resources of the Gunong Jerai Area, Kedah/
  Dahkki: 340185 Bradford, E. F.
  Almmustuhtton: (1972)