Upadhyaya, S., and L. R. Saikia. “Agronomic Requirements for Organic Cultivation of <I>Andrographis Paniculata< I> (Burm) Nees. In the Upper Brahmaputra Valley Agroclimatic Zone of India”. Indian Forester, vol. 141, no. 2, Feb. 2015, pp. 167-72, doi:10.36808/if/2015/v141i2/60656.