S.K. SHARMA, A.R. KHAN,I J SINGH. Relative merits of Single vs. composite factor result demonstration . Indian Journal of Extension Education, India, v. 3, n. 1&2, p. 90–95, 1967. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/160362. Acesso em: 15 jul. 2026.