Wardani, K. 2023. The Quantity Effect of Earthworms (Lumbricus Rubellus) and Urea on The NPK Quality of Coffee Husk Waste Compost. Journal of Soilscape and Agriculture. 1, 2 (Mar. 2023), 83–104. DOI:https://doi.org/10.19184/jsa.v1i2.212.