Fractional-Step Block Method For Direct Solution Of Third Order Ordinary Differential Equations (IVPS). RJBAS [انترنت]. 31 يوليو، 2024 [وثق 2 أكتوبر، 2026];3(1):9-17. موجود في: https://ojs.abhath-ye.com/index.php/OJSRJBAS/article/view/594