TY - BOOK AU - Singh, Gurkaranbir TI - Value chain analysis of commercial pig farming in punjab U1 - 636.408 8 S48V PY - 2023/// CY - GADVASU, Ludhiana PB - Veterinary and Animal Husbandry Extension Education KW - Veterinary and Animal Husbandry Extension Education N1 - Guided by Dr. Jaswinder Singh ER -