Zulfahmi, Aidelia Rahmasari, Mokhamad Irfan, Rosmaina, Muhammad Nazir, “CHROMOSOME NUMBERS AND KARYOTYPES OF EURYCOMA LONGIFOLIA JACK AND EURYCOMA APICULATA A.W. BENN (SIMAROUBACEAE)”, Pak. J. Biotechnol, vol. 15, no. 4, pp. 969–973, Jun. 2018.