KHUSHWANT JOHAL, D.S. DHILLON AND KULDIP KUMAR. Ralationship Between the Selected Factors and Academic Achievement of Undergraduate Students of Punjab Agricultural University, Ludhiana. Indian Journal of Extension Education, India, v. 46, n. 1&2, p. 75–79, 2022. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/124516. Acesso em: 3 nov. 2025.