Nicotine & tobacco research, 24(9):1344–1354 Forberger, S, Khan, Z, Ahmad, F, Frense, J, Kampfmann, T, Ahmad, F, Ullah, S, Dogar, O, Siddiqi, K & Zeeb, H 2022, ' Scoping Review of Existing Evaluations of Smokeless Tobacco Control Policies : What Is Known About Countries Covered, Level of Jurisdictions, Target Groups Studied, and Instruments Evaluated? ', Nicotine and Tobacco Research, vol. 24, no. 9, pp. 1344-1354 . https://doi.org/10.1093/ntr/ntac102