Marisa, H. and Estuningsih, S. P. (2017) “HORMESIS PHENOMENA OF SOME PARAMETER ASPECT IN USAGE OF WATER LETTUCE (Pistia stratiotes L.) FOR PHYTOREMEDIATION PROCESS OF PETROLEUM LIQUID WASTE”, BIOVALENTIA: Biological Research Journal, 3(1), pp. 45–50. doi: 10.24233/BIOV.3.1.2017.59.