00513cam a22001814a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080001700124100001800141245008400159260005000243650001900293655001900312AR-SsjUIB20250710145501.0250429s1978 xxk 000 0 eng d a0435287176 aAR-SsjUIBcAR-SsjUIB0 aeng axxk a802.0-07:0011 aPurvis, Keith10aRead and note :benglish study, skills for science and medicine. Sudent's book. aLondon :bHeinemann Educational books,c1978. 7aIngleĢs2lemb 7aLibro2unescot