00299nam a2200097Ia 4500008004100000040002900041050002700070100001600097245003800113260005000151221221s9999    xx            000 0 und d  cChuka University Library  aBSL HF 5686 bS6 1986   aSpencer, N. 2aA text book of costing principles  aHeiremann Kenya Publishers Co.bNairobic1986