Nguyen, B., Hoang, Q., Oshiro, S., & Shima, K. (2015). Evaluation of sewage sludge compost quality through maturity index and biomass yield of Italian ryegrass (Lolium multiflorum L.). Science and Technology Development Journal, 18(2), 52-64. https://doi.org/https://doi.org/10.32508/stdj.v18i2.1059