TY - BOOK AU - Subba, Bhoj Raj & Lama, Ravi TI - A text book on computer science part II for schools grade IX & X U1 - 004 PY - 2001/// CY - Kathmandu PB - Neema Pustak Prakashan KW - Microsoft disk operating system; Microsoft windows; Microsoft word; DBase IV; QBasic programming ER -