"spencer, norman . "
a textbook of costing principles: / norman.. spencer - 1 ed. - kenya : heinemann 1986. - "xiii, 297p.; 21 cm." - heinemann business education series .
--
657. 42 spe
a textbook of costing principles: / norman.. spencer - 1 ed. - kenya : heinemann 1986. - "xiii, 297p.; 21 cm." - heinemann business education series .
--
657. 42 spe