M. B. Siddiqui, “Methodology for Robust Revalidation of the CHERG VASA Tool to Investigate Under-5 Deaths in Karachi Slums: A Mixed Methods Approach: CHERG VASA: Methodology for revalidating for Karachi Slums”, JoWaCH, vol. 1, no. 1, pp. 7–12, Jan. 2024.