00271nam a22000977a 4500 20251127210012.0 Dr. S. Sanmugsundharam 5494 Nattupura vilaiyattagal/ By Dr. S. Sanmugsundharam Thannanane publications, 1996 ddc BK 753819 753819 0 4 ddc 0 0 NFIC TAM TAM GEN 2025-11-27 0 TAM18509 2025-11-27 15:31:18 2025-11-27 BK