00356nam a22001097a 4500 231009b |||||||| |||| 00| 0 eng d 0263-418X National Science Library National Science Library International journal of development technology London: International Centre for Technical Research, CR 62645 62645 0 0 Vol. 1, NOS. 1-4, 1983 0 0 164486 NSL NSL FF/Rk-26/C-8/R-1 2007-08-21 0 236259 2023-10-09 00:00:00 2007-08-21 CR 0 0 Vol. 3, NOS. 1-4, 1985 0 0 164487 NSL NSL FF/Rk-26/C-8/R-1 2007-08-21 0 236260 2023-10-09 00:00:00 2007-08-21 CR