Dear Adhityo Wicaksono 

Most of Margi's articles cited in attached files

http://greenstone.lecames.org/collect/thefe/tmp/CS_00184.html

http://www.memoireonline.com/12/08/1803/Regeneration-via-lorganogenese-ou-lembryogenese-somatique-chez-le-Scorpiurus.html

http://www.tandfonline.com/doi/pdf/10.1080/01811797.1991.10824903

http://link.springer.com/article/10.1007/s11627-000-0023-5

http://www.biodiversitylibrary.org/bibliography/13057#/summary

http://link.springer.com/book/10.1007/978-1-4684-5760-5

https://hal.archives-ouvertes.fr/hal-00885321/document

http://link.springer.com/content/pdf/10.1007%2F978-1-4684-5760-5.pdf

http://documents.irevues.inist.fr/bitstream/handle/2042/25750/RFF_1986_S_60.pdf?se

http://www.doc-developpement-durable.org/file/Arbres-Bois-de-Rapport-Reforestation/sylviculture/Introduction%20a%20culture%20in%20vitro%20chez%20vegetaux.pdf

 http://www.bibliotheque.auf.org/doc_num.php?explnum_id=264

https://hal.archives-ouvertes.fr/hal-00885278/document

http://www.pressesagro.be/ojs/index.php/base/article/viewFile/9/9

http://docnum.univ-lorraine.fr/public/SCD_T_2000_0180_JORDY.pdf

Hoping this will be helpful      

Regards

Prof. Houda Kawas

Good question......