Mathematical concepts in Arabic calligraphy: The proportions of the ʾAlif
Crossref DOI link: https://doi.org/10.1371/journal.pone.0232641
Published Online: 2020-05-28
Update policy: https://doi.org/10.1371/journal.pone.corrections_policy
Yaghan, Mohammad Ali Jalal https://orcid.org/0000-0002-6928-5468
Version of Record valid from 2020-05-28
