Mahmud Abu Bakar
Geologi Am Kawasan Gubir, Kedah Darul Aman Mahmud Abu Bakar - Kuala Lumpur Universiti Malaya 1997 - xxiv, (various pg.) ill. some col., 3 maps 30 cm
Includes bibliograpgy index
Geology of Gubir, Kedah
Geologi Am Kawasan Gubir, Kedah Darul Aman Mahmud Abu Bakar - Kuala Lumpur Universiti Malaya 1997 - xxiv, (various pg.) ill. some col., 3 maps 30 cm
Includes bibliograpgy index
Geology of Gubir, Kedah