Modifikasi Mesin Pencacah Sampah Organik Dengan Kemiringan Sudut Hopper Terhadap Karakteristik Hasil Pencacahan: Modification of Organic Waste Shredding Machine With Inclination of the Hopper Angle on the Characteristics of the Shredding Results. JBETA 2025, 13 (2), 325-331.