TISTAMAR., WIDYASTUTIU., SOPANDIED., YOKOTAA., AKASHIK., and SUHARSONO.. “Physiological and Biochemical Responses to Aluminum Stress in the Root of a Biodiesel Plant Jatropha Curcas L.”. HAYATI Journal of Biosciences, Vol. 19, no. 1, 1, p. 37, doi:10.4308/hjb.19.1.37.