Restiani, Rina, and Sukarni Setya Yuningsih. “THE RELATIONSHIP OF MOTHER’S KNOWLEDGE AND ATTITUDE REGARDING THE PROGRAM PCV IMMUNIZATION WITH PCV IMMUNIZATION STATUS IN INFANTS AT PAMANDEGAN HEALTH CENTER”. HEARTY 13, no. 4 (August 4, 2025): 880–891. Accessed December 16, 2025. http://150.107.142.43/index.php/Hearty/article/view/16038.