Fitria, Annisa, Fariani Syahrul, and Siska Dwi Damayanti. “ANALYSIS OF MEASLES SURVEILLANCE BASED ON SYSTEM APPROACH IN BANGKALAN HEALTH OFFICE”. HEARTY 12, no. 3 (August 13, 2024): 558–564. Accessed December 15, 2025. http://150.107.142.43/index.php/Hearty/article/view/16365.