Jahangir, A., Nada, K., Begum, F., Hossain, M., Sarker, M., & Moniruzzaman, M. (2008). Influence of Nitrogen - Phosphorus Fertilization and Time of Harvest on the Growth, Yield and Oil Content of <i>Mentha spicata</i> L. Bangladesh Journal of Scientific and Industrial Research, 43(1), 47–54. https://doi.org/10.3329/bjsir.v43i1.856