TY - BOOK AU - Sarḥān,Aḥmad ʻIbādah AU - Ṭulbah,Ṣalāḥ al-Dīn TI - Muqaddimat al-riyāḍah al-baḥtah T2 - al-Maktabat al-iqtiṣādīyah AV - QA37 .S24 PY - 1962/// CY - Miṣr PB - Dār al-Maʻārif KW - Mathematics ER -