TY - BOOK AU - Dash, Purna Chandra TI - Critical analysis of common errors in mathematics of class 'X' students in the examination conducted by the board of secondary education, Orissa, and developing remedial teaching m U1 - 510.7095413 CRI (N-R) PY - 1997/// CY - Bhubaneswar PB - NCERT , RIE KW - Mathematics ER -