Kouadio, Ballo Esperence, et al. “Effect of Different Preceding Crops and Land Preparation Methods on the Agrophysiological and Health Parameters of Hevea Brasiliensis Muell. Arg Clone GT 1 in Southwestern Côte d’Ivoire”. European Scientific Journal, ESJ, vol. 14, no. 33, Nov. 2018, p. 369, doi:10.19044/esj.2018.v14n33p369.