https://dispendik.situbondokab.go.id/berita/ https://vta.kemenhub.go.id/assets/
Sandi, Meta Apriliawati, Arthana, I Wayan, AND Sari, Alfi Hermawati Waskita. " Bioassessment dan Kualitas Air Daerah Aliran Sungai Legundi Probolinggo Jawa Timur" Journal of Marine and Aquatic Sciences [Online], Volume 3 Number 2 (13 August 2017)