Penuntun praktis untuk pembuatan teh dan kopi /

by Thio, Goan Loo.
Published 1982

Small-scale and home processing of soya beans with applications and recipes /

by Thio, Goan Loo.
Published 1978

Small Scale and Home Processing of Fresh Coconut (oil manufacture) and Utilization of By-products /

by Thio, Goan Loo ,

Agricultural technological and economic aspects of some selected medicinal plants /

by De Waard, P. W. F.
Published 1978