000 00501 a2200193 4500
942 _cPRD
_h050-Per
_iM7L12
999 _c58772
_d58771
003 OSt
005 20240903150141.0
008 220705b ||||| |||| 00| 0 eng d
013 _d1981
022 _a03050920
041 _aeng
245 _aAppropriate Technology
260 _c1981
440 _aAppropriate Technology Periodical
_v2
630 _lEnglish
650 _aNon- Arabic General Periodicals
650 _aدوريات عامة لغات