SURBHI KUMAR, et al. “Effect of Organic Nitrogen Management Options on Productivity and Profitability of Kharif Sunflower (Helianthus Annuus L.) under Guava (Psidium Guajava L.) Based Agri-Horti System: N MANAGEMENT ON SUNFLOWER UNDER GUAVA AGRI-HORTI SYSTEM”. Journal of Oilseeds Research, vol. 42, no. 3&4, Jan. 2026, pp. 265-70, https://doi.org/10.56739/aaztjq08.