Africa Seminars are Scheduled January 30, 1998 Share 1 -- SAN FRANCISCO -- The northern California chapter of the Association for the Promotion of Tourism to Africa scheduled an agent seminar and trade show on Feb. 24. The event will be held at the ANA Hotel in downtown San Francisco, starting at 5:30 p.m. with three, 30-minute seminars, one on Nile Cruises, another on the Okavango Delta and Botswana and another on West Africa.The cost is $10 for one seminar; $18 for two, and $24 for three. There is no admission charge for the trade show. For more information, agents can contact Alan Abonyi, Adventure Center Travel, at (510) 654-1879, Ext. 16.