Demajosita, Yulinda Nurfit, et al. “Correlation Between Teacher Instructional Leadership With Students New Environmental Paradigm (Studies Correlational In SMA Negeri 13 Jakarta)”. IJEEM - Indonesian Journal of Environmental Education and Management, vol. 3, no. 2, July 2018, pp. 115-20, doi:10.21009/IJEEM.032.02.