Abd-dada, H., S. Bouda, Y. Aitbella, and A. Haddioui. “Phenotypic Diversity of Natural Populations of an Endemic Moroccan Plant (Euphorbia Resinifera Berg)”. Hacquetia, vol. 22, no. 1, Jan. 2023, pp. 81-90, https://ojs.zrc-sazu.si/hacquetia/article/view/9573.