Dadlani, M., Varier, A. and Mathur, R. (2012) “Maintenance of seed vigour and viability in sunflower (Helianthus annuus) hybrids and inbreds”, The Indian Journal of Agricultural Sciences, 65(12). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/19159 (Accessed: 24 October 2025).