Binti Abd Kadir A, Rozaimah Sheikh Abdullah S, Abu Hasan H. Comparative phytotoxicity of Azolla pinnata and Lemna minor in Treated Palm Oil Mill Effluent. IJET [Internet]. 2018 Sep. 24 [cited 2024 Dec. 22];7(4):2499-505. Available from: https://sciencepubco.com/index.php/ijet/article/view/12287