- Eifediyi, Ehiokhilen Kevin., et all. "Influence of sawdust biochar application on the growth, morphological characters and yield of four varieties of sesame ( Sesamum indicum L.)." International Journal of Recycling of Organic Waste in Agriculture, vol. 11, no. 2, pp. 189-200, https://doi.org/10.30486/ijrowa.2021.1933189.1274