- Sardá, Luana Goulart., et all. "Ryegrass straw and wood shavings as bulking agents on swine slurry co‑composting: a case study in Southern Brazil." International Journal of Recycling of Organic Waste in Agriculture, vol. 8, no. 4, pp. 55 - 63, https://doi.org/10.1007/s40093-019-0269-3