Vowel marks were introduced into Arabic script by____?

سر کے نشان کو عربی رسم الخط میں ____ نے متعارف کرایا؟

Walid

Abdul Malik Bin Marwan

Hajaj Bin yousuf

Abu Hanifa

None of these

Hajaj Bin Yousuf introduce the vowel and diacritical marks in the Arabic script

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In Holy Quran Dots Applied By Abdul Malik Marwan