1. Amelia, S. et al. (2019) 'Counseling and training on the use of inorganic and organic waste into ecobricks and organic liquid fertilizers various activities such as counseling on organic and inorganic waste and training', Journal of Empowerment: Publication of Community Service Results, 3(3), pp. 341–348.
2. Goddess, I. K. et al. (2020) 'Journal of Community Service Counseling on the Utilization of Fruit Waste into Organic Liquid Fertilizer to Meet the Needs of Palawija Fruit and Vegetable Farmers in Increasing Family Income in Karang Dadap Village, Kalibagor District, Banyumas – Java T', Journal of Community Service, 1(1), pp. 65–76.
3. Erickson Sarjono Siboro, Edu Surya and Netti Herlina (2013) 'Making Liquid Fertilizers And Biogas From Vegetable Waste Mixtures', USU Journal of Chemical Engineering, 2(3), pp. 40–43. doi: 10.32734/jtk.v2i3.1448.
4. Gusti, A., Mahaza, M. and Lindawati, L. (2020) 'Effectiveness of FGD (Focus Group Discussion) Cleaning Service and Combined Cleaning Service with Students in Plastic Waste Management at Poltekkes Kemenkes Padang', Journal of Environmental Health, 10(1), pp. 08–21. doi: 10.47718/jkl.v10i1.1111.
5. Hidayat, W., Mahmuriyah, R. and Safitri, S. N. R. (2016) 'Catalog-Shaped Visual Media', 2(2), pp. 184–197.