Contact Jl. R. Fatah, No. 50, RT3/4, Sidamulya, Kec. Wanareja, Kab. Cilacap, 53265 Principal Contact Sigit Apriyanto, S.Pd., M.Pd., Ph.D. (c)Phone081215263928 info@jcopublishing.com Support Contact Abdullah Rasyid Ridha, S.I.Kom.Phone089626876921 abdullahrasyidridha@gmail.com
