David, Grace S., et al. “Variability in Selected Genotypes of Fluted Pumpkin (Telfairia Occidentalis Hook F.) in Calabar, Cross River State”. Journal Of Agriculture, Forestry & Environment , vol. 6, no. 1, Mar. 2025, pp. 65-72, https://www.jafe.net.ng/index.php/home/article/view/75.