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http://www.myseoulsearching.com/2015/05/Korean-Onomatopoeia-Fun-Words.html

Translation of Japanese
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.493.1000&rep=rep1&type=pdf
https://www.iucjapan.org/311material/HighSchool311project/03A-Three-IUC-HS-3-11-Project4HS-Students-Manga-SoundEffects-PPt-Presentation-NTMasuda.pdf
https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/45138/1/Dissertation%20by%20Takashi%20SUGAHARA.pdf
https://openresearch-repository.anu.edu.au/bitstream/1885/132958/4/b18941692_Hasada_Rie.pdf

http://onepiece.wikia.com/wiki/One_Piece_in_South_Korea