Sulistyaningrum, Siti Drivoka. “THE LEARNING PROCESSES OF SPEAKING SKILLS AT AN ACCELERATION PROGRAM:AN ETHNOGRAPHIC STUDY IN SMA LABSCHOOL JAKARTA”. Bahtera: Jurnal Pendidikan Bahasa Dan Sastra, vol. 15, no. 2, July 2016, pp. 94-101, doi:10.21009/BAHTERA.152.09.