TY - BOOK AU - Mammen Mathew TI - Manorama Year Book 2023 SN - 9789195407279 U1 - 032.02 23 PY - 2023/// CY - New Delhi PB - Malayala Manorama KW - General KW - General Knowledge N2 - UPSC Exams Preparation, Civil Service ,Current Affairs , Encyclopedia, Reference Book, Libraray & Information Science ER -