| Business Communication, Gunadarma Univ. Jakarta (2002) |
| Business Feasibility Study, Gunadarma Univ. Jakarta (2001) |
| Cooperative Economic, Gunadarma Univ. Jakarta (2001) |
| Internet Marketing, - (2006) |
| Managerial Economics, Gunadarma Univ. Jkt (2003) |
| Marketing Management, Gunadarma Univ. Jakarta (2002) |
| Marketing Research, - (2006) |
| Perekonomian Indonesia, - (2005) |
