S. B. P. Lumbantoruan, “Maximizing Village Potential through the Creation of Dish Soap Products from Orange Peels in Umbulrejo Village by KKN Kolaboratif 105: Pemaksimalan Potensi Desa Melalui Pembuatan Produk Sabun Cuci Piring dari Kulit Jeruk di Desa Umbulrejo oleh KKN Kolaboratif 105”, JCEMTY, vol. 1, no. 2, pp. 116–124, Nov. 2023.