SHARMA, S. K. Research Methodology in Economics. Economic Journal of Nepal, [S. l.], v. 19, n. 2, p. 79–90, 1996. DOI: 10.3126/ejon.v19i2.71960. Disponível em: https://nepjol.info./index.php/EJON/article/view/71960. Acesso em: 27 dec. 2024.