TY - BOOK AU - Haider,S.Z. AU - Safiullah,S. TI - পরমাণুর ইলেকট্রন সংগঠন T2 - Inorganic chemistry series no. 1 AV - QD151.2 .H35 1978 PY - 1978/// CY - Dhaka PB - Bangla Academy KW - Electrons KW - Inorganic chemistry KW - Chemistry ER -