Mutshinye Manguvhewa and  Maria Florence and  Mansoo Yu,  A Bio-Ecological Perspective on Risk Awareness and Factors Associated with Substance Use during Pregnancy in Communities of the Western Cape Province, South Africa.   journal   = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2021, vol. 169(1). 63 - 69
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10011743.