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 . INDONESIAN JOURNAL OF HEALTH SCIENCES RESEARCH AND DEVELOPMENT (IJHSRD), v. 4, n. 1, p. 26–33, 25 Jun.2022.