Examination of the geology and soils of an area in the state of perak, Federated Malay states
Savage, H.E.F.
Examination of the geology and soils of an area in the state of perak, Federated Malay states - Kuala Lumpur 1932 - 1-15 p. - Geology, Soil Malay States Department of Agriculture. Scientific Series No. 10 .
Examination of the geology and soils of an area in the state of perak, Federated Malay states - Kuala Lumpur 1932 - 1-15 p. - Geology, Soil Malay States Department of Agriculture. Scientific Series No. 10 .