Azwihangwisi Tshiangwana, Rob A. C. Ruiter, and Kai J. Jonas, “An exploration of transitioning from smoked to injected nyaope use among users in Tshwane district, South Africa: A phenomenological analysis”, AJADA, vol. 14, no. 1, Jan. 2026, doi: 10.4314/ajada.v14i1.12.