Aggarwal, Arun, Anubhuti Sharma, and Dinesh Kumar. “Use of Mobile App for Real Time Data Entry and Monitoring: A Case Study of Anti-SARS-CoV-2 IgG Antibody Sero-Surveillance in All Districts of Haryana, India”. International Journal of Health Systems and Implementation Research 4, no. 2 (September 1, 2020): 63-69. Accessed December 22, 2024. https://ijhsir.ahsas-pgichd.org/index.php/ijhsir/article/view/102.