BIBLIOGRAPHY CONTRIBUTOR Ahmad Ziauddin First name Ahmad Last name Ziauddin Bibliography entries by this contributor Ziauddin, Ahmad. 1932. “Al-Bīrūnī's Researches In Trigonometry As Given In The Third Book Of Qānūn Masʿūdī”. Islamic Culture 6 (3): 363-369. Ziauddin, Ahmad. 1931. “Al-Bīrūnī (His Life And His Works)”. Islamic Culture 5 (3): 343-351.