Riada Mareny, Jumadiah Wardati and Eka Sihombing (2022) “PROCESSED TILAPIA FISH IN SIANTAR SELATAN DISTRICT, SIMALUNGUN REGENCY”, International Conference on Health Science, Green Economics, Educational Review and Technology, 4(1), pp. 384–386. doi: 10.54443/ihert.v4i.257.