Ongko Cahyono

Department of Soil Science, Faculty of Agriculture Universitas Sebelas Maret, Surakarta 57126, Central Java, Indonesia

Article(s):

1. Vol. 12 (2022) No. 3
   The Effect of Auxin and Cytokinin on Black Orchid Hybrid (Coelogyne pandurata Lindley) in Vitro
   Sri Hartati, Retna B.A, Brigita R.H, Ongko Cahyono