Rimba, Fellix. “ENVIRONMENTALLY CONSCIOUS ATTITUDE OF HIGH SCHOOL STUDENTS YAYASAN PENDIDIKAN TELADAN PEMATANGSIANTAR EVEN SEMESTER ACADEMIC YEAR 2021 2022”. Tunas Geografi, vol. 11, no. 1, Aug. 2022, pp. 27-36, doi:10.24114/tgeo.v11i1.33725.