Alvin, A.I.B., Sumartias, S. and Erwina, W. 2024. Quasi-Experiment on the Pro-Environmental Attitudes of DKI Jakarta Province Teenagers Influenced by the Documentary Film "Tenggelam dalam Diam". JURNAL LENSA MUTIARA KOMUNIKASI. 8, 1 (Jun. 2024), 137–141. DOI:https://doi.org/10.51544/jlmk.v8i1.4934.