IrawanB., TaminR. P. and HardiyantiR. A. (2019) “Effects of Indole Acetic Acid (IAA) and Indole Butyric Acid (IBA) to The Growth and Rooting of Ironwood (Eusideroxylon zwageri Teijsm. & Binn.) Air Layering”, Jurnal Manajemen Hutan Tropika. Bogor, INA, 25(2), p. 126. doi: 10.7226/jtfm.25.2.126.