WASET
    Rully D. Purwati and  Tantri D. A. Anggraeni and  Bambang Heliyanto and  M. Machfud and  Joko Hartono,  Hybridization and Evaluation of Jatropha (Jatropha curcas L.) to Improve High Yield Varieties in Indonesia.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2018, vol. 142(10). 412 - 417
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10009718.