ஒத்த வளங்கள்: The geology and mineral resources of the Grik area, Upper Perak.
- Geological site investigation at the abutments of hte Klang Gates Dam, Kuala Lumpur.
- A preliminary geological investigation on the proposed Batu Dam site, Kuala Lumpur /
- Potential rockfall sites in the proposed SEDC Tourist Complex, the Gunong Rapat-Gunong Idong limestone hills, Kinta, Perak /
- The geology and mineral resources of the Baling Area, Kedah and Perak /
- The geology and mineral resources of the Kinta Valley, Perak /
- The geology and mineral resources of the Karak and Termeloh Areas, Pahang /