na INLIS000000000008595 20210426120605 210426||||||||| | ||| |||| || | 0 387 09414 8/2681 010-0421008595 id NONE 63 AGR - AGRICULTURE Agriculture in semi - arid environments vol.34 New York Springer - Verlag 1979 XVI, 340p.: ills; 24 cm pembangunan pertanian -- pertanian -- Lingkungan Ekonomi -- I. HALL, A. E -- II. CANNELL, G. H -- III. LAWTON, H. W