भारत के उत्तर प्रदेश राज्य में कृषि उत्पादकता का रुझानः एक विश्‍लेषण. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 20, n. 4, p. 35–39, 2023. Disponível em: https://ignited.in/jasrae/article/view/14511.. Acesso em: 1 jul. 2024.