“Acaricidal Effect of Foam Soap Containing Essential Oil of Ocimumgratissimum Leaves on Rhipicephaluslunulatus in the Western Highland of Cameroon”. Global Journal of Science Frontier Research, vol. 13, no. 58, Dec. 2013, pp. 7-12, https://journalofscience.org/index.php/GJSFR/article/view/103312.