Chela Singoyi, Jane, și colab. „Patterns and determinants of postpartum physical activity among women attending postnatal care in Lusaka, Zambia: A cross-sectional study”. Student’s Journal of Health Research Africa, vol. 7, nr. 3, martie 2026, p. 13, https://doi.org/10.51168/sjhrafrica.v7i3.2453.