The course deals with theories, principles, and current issues about Second Language Acquisition. The course covers foundations of Second Language Acquisition and relevant theories such as linguistic, psychological, and social-contextual approaches to Second Language Acquisition. Central to the course are discussions on current SLA research in various aspects drawing on research outcomes and research methodologies used in this field, and discussions on relevant Conditions for Second Language Learning, which provides more implications and theoretical guidelines for ELT classroom practices.