00455     2200169   4500001002100000035002000021245005400041100002200095260005600117300003300173084001200206082001200218650001400230650002300244990000900267990000900276INLIS000000000004218  a0010-0321000302  aAppropriate technologies for developing countries  aRichard S. Eckaus  aWashington, DC.bNational Academy of Sciencesc1977  axiii, 140 p.cills. ; 23 cm.  a6(1-77)  a6(1-77)  aTEKNOLOGI  aNEGARA BERKEMBANG.  a1357  a1357