Zailon Ramli A semi-detailed hydrogeological investigation in Kampong Lubok Punggor, Simunjan district Kota Samarahan division, Sarawak Zailon Ramli. - 1989 - iii, 30p. col., ill., photos 30cm GSKL 037/12/(135) Subjects--Topical Terms: Hydrogeology--Sarawak Subjects--Geographic Terms: Sarawak