Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) R. Ramakrishnan Nair and S. Dutta Gupta,Somatic embryogenesis and plant regeneration in black pepper (Piper nigrumL.): I. Direct somatic embryogenesis from tissues of germinating seeds and ontogeny of somatic embryos,The Journal of Horticultural Science and Biotechnology,1462-0316,Informa UK Limited,2003-01,78,3,416-421,https://cir.nii.ac.jp/crid/1363670321069754752,https://doi.org/10.1080/14620316.2003.11511641