syafrizal, syafrizal and Pahamzah, John (2020) ONLINE SELLING REGISTERS IN FACEBOOK GROUP SELLING AND BUYING ANYTHING AND THE IMPLEMENTATION OF THE LEARNING OF INDONESIAN LANGUAGE IN SMA. Kajian Linguistik dan Sastra, 05 (02). pp. 145-154. ISSN p-ISSN:0852-9604| e-ISSN: 2541-2558