TY - BOOK AU - Machumu, Haruni AU - Msabila,D.T TI - Improving and using communication skills: a guide for mastering university assignments SN - 9739987030363 U1 - 651.7 MAC PY - 2012/// CY - Dar es salaam PB - Karljamer print Technology KW - Communication skills N1 - Includes bibliographical reference ER -