00405nam a22001577a 4500 20250813152318.0 9789360615833 Rakesh kumar pandey 552 Survey sampling New Delhi Pinakin publishing 2024 xii+261 Survey design 581 Demographic surveys 582 Statistical survey 583 ddc BK 750942 750942 0 0 ddc 0 0 MAT MAT GEN 2025-07-07 Chapter books, Thiruvananthapuram 3195.00 0 519.52 RAK-S MAT8131 2025-08-13 15:24:56 2025-08-07 BK