00598cam a2200205 a 4500 7454 7454 21256 BD-DhUAP 20210123111633.0 201102s1979 bg abf b f000 0 eng BD-DhUAP BD-DhUAP BD-DhUAP Eng 609 ESC 23 Escap national papers for the UNCSTD. India : Regional Centre for Technology Transfer, c1979. volumes : illustrations ; 22 cm. V. 1-- Science. Technical assistance. Regional Centre for Technology Transfer. ddc BK 0 0 ddc 0 0 UAPCL UAPCL General Stacks 2021-01-23 609 ESC V-1 3010021256 2021-01-23 1 2021-01-23 BK