TY - GEN AU - Balasubramanian , P TI - Preservation and conservation of library resources SN - 9789387698369 U1 - 025.84 PY - 2021/// CY - New Delhi : PB - Ess Ess Publications, KW - Concept of preservation and conservation KW - Hazards to library materials KW - Preventive methods of preservation of library resources KW - Non book materials and their preservation KW - Current trends ER -