00546 a2200217 4500 140250 OSt 20260122144645.0 9788120325234 515.35 A76D Ahsan, Zafar Differential equations and their applications by Zafar Ahsan 2nd ed. New Delhi PHI Learning 2013 514 p. english Mathematics Differential equations ddc BK 20715 20715 0 0 ddc 0 0 TXB CURAJ CURAJ MTH 2014-03-12 Pranay Books 350.00 178/27.09.13 6 515.35 A76D 16122 2026-05-04 2026-04-20 2020-09-02 BK 0 0 ddc 0 0 TXB CURAJ CURAJ MTH 2014-03-12 Pranay Books 350.00 178/27.09.13 0 515.35 A76D 16123 2024-11-21 2020-09-02 BK 0 0 ddc 0 0 TXB CURAJ CURAJ MTH 2014-03-12 Pranay Books 350.00 178/27.09.13 3 515.35 A76D 16124 2026-05-26 2026-05-08 2020-09-02 BK 0 0 ddc 0 0 RTB CURAJ CURAJ MTH 2014-03-12 Pranay Books 350.00 178/27.09.13 8 515.35 A76D 16121 2025-12-19 2025-11-24 2020-09-02 BK