S. KUMAR, H. B. NONGRUM, and B. MARWEIN, “Effect of graded levels of farmyard manure and nitrogen on growth, flowering and bulb production of tuberose (Polianthes tuberosa) cv. Suvasini”, Indian J Agri Sci, vol. 86, no. 12, pp. 1591–4, Dec. 2016, doi: 10.56093/ijas.v86i12.65542.