The course covers key concepts and issues in second language learning (SLL), the formal linguisitic approaches, interlanguage processing approaches, and the sociocultural and sociolinguistic perspectives in SLL acquisition with a view to explaining the o(The course covers key concepts and issues in second language learning (SLL), the formal linguisitic approaches, interlanguage processing approaches, and the sociocultural and sociolinguistic perspectives in SLL acquisition with a view to explaining the o)