D. J. Langsi, H. K. Tofel, C. N. Fokunang, C. Suh, K. Eloh, and E. Nukenine, “Insecticidal activity of essential oils of Chenopodium ambrosioides and Cupressus sempervirens and their binary combinations on Sitophilus zeamais”, GSC Biol. Pharm. Sci., vol. 3, no. 2, pp. 24–34, May 2018.