If the PDF has no page numbers or translator name, it is an unpublished manuscript and should be cited as "Personal archival material" or "Unpublished draft."
(friction), providing a technical depth that influenced future grammarians like Accessing the Text (PDF and English Resources) Kitab Al Ayn English Pdf
Al-Khalil categorized letters based on their point of articulation ( makhraj ), starting with the throat (ح, هـ, خ, غ, ع) and ending with the lips (م, ب, ف). If the PDF has no page numbers or