And if it isn't dead, it damn well should be
Students study English with local teachers or native English speakers (NES), or both, but what they're ultimately looking at is a textbook, many of which were never published with Asian markets in mind.
Universal applications of ESL teaching approaches and methods
For those of us who have taught ESL in at least three of four different countries realize a major problem. All ESL teaching is local. What works in Thailand can get you fired in Korea. I know that from experience.