“The Level of Soil Erodibility in Cultivating Tomatoes (Lycopersicon Esculentum Mill.) With Various Types of Plastic Mulch and Straw”. 2019. Jurnal BETA (Biosistem Dan Teknik Pertanian) 8 (1): 113-21. https://doi.org/10.24843/JBETA.2020.v08.i01.p14.