Tibu, C., Y. Annang, T., Solomon, N., & Yirenya-Tawiah, D. (2019). Effect of the composting process on physicochemical properties and concentration of heavy metals in market waste with additive materials in the Ga West Municipality, Ghana. International Journal of Recycling of Organic Waste in Agriculture, 8(4). https://doi.org/10.1007/s40093-019-0266-6