CGPRT crops in Indonesia : 1960-1990 : a statistical profile / edited by J. W. Taco Bottema ; Hertarini Broto - Bogor : CGPRT, 1990 - 59 p. ; 24 cm. - Working paper ; no. 4 . - Working paper (CGPRT Centre) ; no.4 . ISBN: 9798059301 Subjects--Topical Terms: Agricultural productivity--Statistics--Indonesia