Hassan, AKM Sayeed, et al. “<i>In Vitro< i> Clonal Propagation of <i>Scoparia dulcis< I> L., a Perennial Medicinal Herb”. Bangladesh Journal of Scientific and Industrial Research, vol. 44, no. 3, Feb. 2010, pp. 341-6, doi:10.3329/bjsir.v44i3.4408.