?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Risal+Maulana&rft.au=Risal+Maulana%2C+-&rft.aufirst=-&rft.degree=S1&rft.inst=Universitas+Pendidikan+Indonesia&rft.title=PERANAN+WANGARI+MAATHAI+DALAM+MENYELESAIKAN+KRISIS+LINGKUNGAN+DI+KENYA+MELALUI+GREEN+BELT+MOVEMENT+%3A+Tahun+1990+%E2%80%93+2004&rft.date=21+August+2019