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Purnamasari A. TO WHAT EXTENT CAN PROVIDING SCAFFOLDING IN ZPD HELP IN DEVELOPING SLA OF ENGLISH LANGUAGE LEARNERS?. Jur. Din. Pend. [Internet]. 2018Jan.26 [cited 2024Mar.1];10(2):134-49. Available from: http://ejournal.uki.ac.id/index.php/jdp/article/view/612