Ecofeminism and Climate Change - Emerald - Quarterly - Vol. 1, No. 2, 2020 –This study aims to evaluate the effect of Piper betle leaf extract towards the acute-lethal toxicity, LC50 of red Nile tilapia juveniles (Oreochromis niloticus) ISSN: 2633-4062 Subjects--Topical Terms: --Piper betle, --Leaf extract--Oreochromis niloticus LC Class. No.: https://www.emerald.com/insight/publication/issn/2633-4062/vol/1/iss/2