Evans Denise, P Fox Matthew, When and How Should we be Measuring Adherence to Antiretroviral Therapy in Resource-Limited Settings?, Journal of Clinical Research In HIV AIDS And Prevention, Volume 1, Issue 2, 2013, Pages 24-30, ISSN 2324-7339, https://doi.org/10.14302/issn.2324-7339.jcrhap-13-edt.1.2. (https://oap-researcharticles.org/jcrhap/article/43) Abstract: This perspective reviews practical approaches to measuring ART adherence in resource‑limited settings. It weighs self‑report, pill counts, pharmacy refill data, and biologic measures, emphasizing feasibility, bias, and programmatic integration to support sustainable HIV care. Keywords: