Syahid, Abdul, et al. “FACTORS RELATED TO THE SECOND RUBELLA MEASLES IMMUNIZATION IN KONAWE ISLANDS DISTRICT: Second Rubella Measles”. INDONESIAN JOURNAL OF HEALTH SCIENCES RESEARCH AND DEVELOPMENT (IJHSRD), vol. 2, no. 2, Oct. 2020, pp. 1-7, doi:10.36566/ijhsrd/Vol2.Iss2/29.