Search for journal articles in Lesley education databases.
ERIC: Search the Database
Sample Search: interlanguage AND bilingual* AND child*
ProQuest Education Journals: Search the Database
Sample Search: english language learners OR english as a second language OR bilingual education AND academic achievement
BONUS: When you start out typing a keyword, and you place an "OR" after it, the @LL search will automatically offer suggestions for more keywords by autofill! Neat, huh?