MATHEMATICS FOR CLASS X - "PRO DR NOOR MUSTAFA SHAIKH, MOHIBULLAH SHAIKH, DR AIJAZ AHMAD SIDDIQUE, MOHAMMAD YAQOOB MEMON, SIKANDER ALI BABER, PROF MOHAMMAD FAROOQ, PROF SYED AFAQ AHMED,PROF GHAFFAR HUSSAINN SHAIKH, ABID SOHAIL,SHAMS UL HAQUE MUGHAL, ARJAN LAL S SUDHRIA" (SINDH TEXT BOOK BOARD PAKISTAN, 2021)