Haque, M., N. Sultana, S. Abedin, and S. Kabir. “Phytochemical Screening and Determination of Minerals and Heavy Metals in the Flowers of Nyctanthes Arbor-Tristis L”. Bangladesh Journal of Scientific and Industrial Research, vol. 54, no. 4, Dec. 2019, pp. 321-8, doi:10.3329/bjsir.v54i4.44566.