Permana, Rizki, Sunarto, Sunarto, Harahap, Syawalludin, Riyantini, Indah, AND Ilham, Yuwanda. " Potassium Cyanide (KCN) Content in Coral Reefs and Its Effect on The Abundance of Indicator-Fishes in The Anambas Islands" Journal of Science and Applicative Technology [Online], Volume 5 Number 1 (28 May 2021)