*, Safrizal, and Asriwati Amirah. “IMPLEMENTATION OF SURVEILLANCE SYSTEM BASED ON CHARACTERISTICS AND HEALTH STATUS OF HAJJ PILGRIMS CANDIDATES OF BANDA ACEH (BTJ) IN 2019”. IJO - International Journal of Health Sciences and Nursing ( ISSN: 2814-2098 ) 2, no. 09 (September 18, 2019): 01-10. Accessed May 16, 2024. http://www.ijojournals.com/index.php/hsn/article/view/216.