The Huntington Park Business Assistance Center will host free seminars for the next three Tuesdays for business people in Huntington Park and South Gate.

The topics are:

* Tuesday, "Developing a Successful Marketing Plan." Advertising professionals will discuss how to increase the visibility of a small business and how to network with larger corporations.

* March 14, "Computerizing Your Small Business." The course will review special computer programs for mailing lists and bookkeeping and how to select a computer for business needs.

* March 21, "Opportunities for Small Businesses in the Alameda Corridor." A panel of experts, including representatives from the ports, the government and the Alameda Corridor Transportation Authority, will discuss how to tap into the $1.8-billion transportation project.

The city-funded assistance center provides free technical, bilingual help for small-business owners and managers in Huntington Park and surrounding cities.

All meetings are at the center, 6330 Pacific Blvd., Suite 209, from 6 to 8:30 p.m.

Information: (213) 585-3856.