- Embrandiri, A.., et all. "The effect of oil palm decanter cake on the accumulation of nutrients and the stomatal opening of Solanum melongena (brinjal) plants." International Journal of Recycling of Organic Waste in Agriculture, vol. 5, no. 2, pp. 141 - 147, https://doi.org/10.1007/s40093-016-0124-8