Library, University of Sri Jayewardenepura, Sri Lanka : Search for 'su:{Internal Commerce} and au:Gunawardene, Bandula'

උසස් පෙළ වාණිජ විසඳුම්

By Gunawardene, Bandula. Polgasovita K. T. A. Jayawerdena 1977 . 223p. , Text in Sinhala 21cm..

By Gunawardene, Bandula. Maharagama Oxford 1977 . 373p. , Text in SInhala 22cm.

By Gunawardene, Bandula. Polgasovita Prabuddha 1978 . 362p. , Text in Sinhala 22cm.