Search the table of contents for key words relating to your segment. This is a lengthy process and you will probably need to make several long visits to the library. Keep a list of the journals in which you have found articles. Note the full description of any references listed at the end of such articles and try to locate them. Note the authors who have contributed, and then check out what other titles they have done.
Authors tend to specialize on a group or location.
Do not assume that because the title of a journal is in French or Dutch that the articles are in that language. Some of the best English articles on Indonesia can be found in French and Dutch journals. In deciding what articles to read, start with a specific item and be small in scope. After going through what you can find on the specific, expand and go through the process again. This process also applies for catalog searches.