S.D, N.; H.M.J.P, V. Using Respondent-Driven Sampling to Recruit Psychoactive Drug Users: Experiences From a Pilot Study Conducted in Kandy District Sri Lanka. Asian Journal of Interdisciplinary Research, [S. l.], v. 5, n. 1, p. 1–9, 2022. DOI: 10.54392/ajir2211. Disponível em: https://journals.asianresassoc.org/index.php/ajir/article/view/712. Acesso em: 5 may. 2024.