“STRATEGI PENGOLAHAN LIMBAH CAIR PABRIK KELAPA SAWIT DI PT. AMP PLANTATION JORONG TAPIAN KANDIH NAGARI SALAREH AIA KECAMATAN PALEMBAYAN KABUPATEN AGAM”. 2017. Tunas Geografi 6 (2): 116-23. https://doi.org/10.24114/tgeo.v6i2.8569.