Surat Tugas Mengajar
ITK_BAP_SisTer_15.5A.30_0274
ITK_BAP_DWBI_15.4A.28_0105
ITK_BAP_DWBI_15.6A.28_0105
ITK_BAP_DWBI_19.6A.28_0105
PELATIHAN DASAR SISTEM INFORMASI AKUNTAN
RANCANG BANGUN SISTEM PEMBELIAN SPAREPAR
Tesis S2 Universitas Trisakti_Riko Mersa
Tesis S2 UGM_Riko Mersandro Permana
Tugas akhir mochammad atthallah ghaffar