RosmalaA., SukmaD., & KhumaidaN. (2022). Effect of Gamma Irradiation on Callus of Handeuleum (Graptophillum pictum L. Griff) Kalimantan and Papua Accession. Jurnal Hortikultura Indonesia (JHI), 13(1), 23-28. https://doi.org/10.29244/jhi.13.1.23-28