00266nam a2200097Ia 450000500170000000800410001708200140005810000160007224500370008826000430012520260329235713.0260329s9999||||xx |||||||||||||| ||und||  a021.2 M1L  aM. P. Singh 0aLibrary, information and society  aDelhi (india)bOxford Publishersc2023