BAP_PRESENSI-NILAI INTERPRETING 31.6A.25
BAP_PRESENSI-NILAI INTERPRETING 31.6B.07
BAP_PRESENSI-NILAI ADVANCED GRAMMAR 31.4A.01
BAP_PRESENSI-NILAI TEFL 31.4A.11
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