For each of the following topics, list

• the reference resources used to locate research articles on the topic
• the order used to consult the reference resources

1. CLOZE tests as a placement instrument in English as a Second Language (ESL) programs
    
    
    
    
    
    
    
2. Subjacency in Second-language Acquisition (SLA)
    
    
    
    
    
    
3. Null objects in Athapaskan languages
    
    
    
    
    
    
    
4. Grice's Maxim of Relevance as a language universal