TY - BOOK AU - BANSAL,RAJ K. TI - Heterocyclic chemistry SN - 81-224-1706-X U1 - 547 PY - 2007/// CY - New Delhi PB - New age international publishers KW - Chemistry KW - Organic chemistry KW - রসায়ন KW - জৈব রসায়ন N1 - Includes index ER -