Andrianto, K., Simanjuntak, B. H., & Herawati, M. M. (2021). Effects of compost quality from non-dairy creamer sewage sludge-solid compost biogas-rice husk char on bok choy mustard (Brassica rapa L.) . Archives of Agriculture and Environmental Science, 6(1), 9-17. https://doi.org/10.26832/24566632.2021.060102