Ong, Yeoh Han
Reconnaissance fieldwork in the Gunong Ledang area Mt. Ophir, Sheet 114, Johore Ong Yeoh Han - 1972 - 2v. ill., maps, photos (b&w) 35cm.
V.1 Reconnaissance fieldwork in the Gunong Ledang area : Mt . Ophir , sheet 114, Johore / Ong Yeoh Han --b V.2 Fieldwork in the Jementah Forest Reserves area / Siew Meng Fai, Za'aba Md. Hashim.
Geology--Field study--Johore--Gunong Ledang
Gunong Ledang (Johore)
Jementah Forest Reserve (Johore)
Reconnaissance fieldwork in the Gunong Ledang area Mt. Ophir, Sheet 114, Johore Ong Yeoh Han - 1972 - 2v. ill., maps, photos (b&w) 35cm.
V.1 Reconnaissance fieldwork in the Gunong Ledang area : Mt . Ophir , sheet 114, Johore / Ong Yeoh Han --b V.2 Fieldwork in the Jementah Forest Reserves area / Siew Meng Fai, Za'aba Md. Hashim.
Geology--Field study--Johore--Gunong Ledang
Gunong Ledang (Johore)
Jementah Forest Reserve (Johore)