Michal Christina Steven and  Mohd. Yusof Hj Ibrahim and  Haryati Abdul Karim and  Prabakaran Dhanaraj and  Kelly Alexius Mansin,  Barriers and Drivers towards the Use of Childhood Vaccination Services by Undocumented Migrant Caregivers in Sabah, Malaysia: A Qualitative Analysis.   journal   = {International Journal of Nursing and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2021, vol. 176(8). 247 - 256
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/10012176.