Isti Purwaningtyas

Isti Purwaningtyas was born in Malang, May 19, 1979. She completed her bachelor's degree in English Literature at Malang State University in 2002 and took a master's program in English Education at the same university in 2007. Her interest in linguistics are on Sociolinguistics and Second Language Acquisition. By having some researches on students’ critical thinking on Sociolinguistics studies as well as having the experiences to work with students on projects and thesis on Sociolinguistics, she decided to present this Sociolinguistics book for everyone interested in seeing the linguistics reality in society.