000 00513nam a22001937a 4500
003 NUST - PNEC
005 20170116180808.0
008 150423b xxu||||| |||| 00| 0 eng d
020 _a0582524733
040 _cLIBRARY
082 _a428 ALE
100 _93169
_a Alexander, L. G.
245 _a Practice and progress:
_c L.G. Alexander
250 _a-
260 _aPakistan:
_bIslamabad,
_cc 1967.
300 _a232 p . :
650 _93170
_a Practice and progress:
_xEnglish language.
942 _2ddc
_cBK
999 _c63282
_d63282