Bal, K., R. K. Tiwari, H. B. KC, M. Ghalo, S. Gyawali, and M. P. Upadhyay. “Nepalese Landraces of Sponge Gourd for the Production of Tender Fruits”. Journal of Agriculture and Environment, vol. 14, Dec. 2013, pp. 13-22, doi:10.3126/aej.v14i0.19782.