Selayang pandang penelitian karet di Indonesia
Thung, Tjiang Pek
Selayang pandang penelitian karet di Indonesia Thung Tjiang Pek, Ong Thian Pa, Lauw Ing Koen - Jakarta Balai Pustaka 1965 - 108 p. ; 26 cm. - Seri research pertanian 7 .
Rubber--Indonesia
Indonesia--Rubber
Selayang pandang penelitian karet di Indonesia Thung Tjiang Pek, Ong Thian Pa, Lauw Ing Koen - Jakarta Balai Pustaka 1965 - 108 p. ; 26 cm. - Seri research pertanian 7 .
Rubber--Indonesia
Indonesia--Rubber
