THE EFFECT OF HEALTH PROMOTION USING BOOKLET MEDIA ON THE LEVEL OF PUBLIC KNOWLEDGE ABOUT SEWERAGE WASTE WATER IN COASTAL AREAS SAMAJAYA VILLAGE: HEALTH PROMOTION USING BOOKLET MEDIA . ijhsrd 2022, 4 (1), 26-33. https://doi.org/10.36566/ijhsrd/Vol4.Iss1/122.