Manoi, F. 2017. Analisa Fitokimia dan Kandungan Bahan Aktif dari Lima Aksesi Tanaman Handeuleum (Graptophyllum pictum (L.) Griff). Jurnal Penelitian Pertanian Terapan. 11, 1 (Jul. 2017). DOI:https://doi.org/10.25181/jppt.v11i1.219.