QURESHI, H. A. Theoretical Sampling in Qualitative Research: A Multi-Layered Nested Sampling Scheme. International Journal of Contemporary Research and Review, [S. l.], v. 9, n. 08, p. 20218–20222, 2018. DOI: 10.15520/ijcrr/2018/9/08/576. Disponível em: http://ijcrr.info/index.php/ijcrr/article/view/576. Acesso em: 2 may. 2024.