TY - BOOK TI - A Unique guide book M. C. Q. JELET: for polytechnic diploma engineering and other students SN - 9788195705825 U1 - 500 PY - 2023///-24 CY - Kolkata PB - Naba Prakashani KW - Mathematics KW - Physics KW - Chemistry KW - Electrical KW - Electronics ER -