[1]
L. R. V. Sinaga, H. A. . Bangun, J. . Manurung, and Y. . R. A. . Marbun, “The Effect of Audio Visual Media on the Knowledge and Attitudes of Mothers of Babies 0-24 Months About Giving Measles Booster Immunization in the Work Area of the Hutapaung Health Center in 2022”, Tour Health Journal, vol. 1, no. 3, pp. 1–13, Dec. 2022.