The study of islamic movement in Indonesia during the Dutch colonization left some problematic issues for the development of the after-independent islamic educational system inIndonesia. The first Al-Islam congress in Cirebon. which was held by Sarekat Islam (SI). was intended to underline several problems faced by the Indonesian Muslims at that time. https://www.roneverhart.com/Doorking-2334-080-VoIP-RS-232-Control-Box-for-1830-Series/