RIFNA HUMAIROH A. THE IMPLEMENTATION OF PROJECT-BASED LEARNING TO TEACH SPEAKING A SPOKEN ADVERTISEMENT FOR THE EIGHTH GRADERS OF SMPN 40 SURABAYA. RT [Internet]. 28Jan.2014 [cited 21May2024];2(1). Available from: https://ejournal.unesa.ac.id/index.php/retain/article/view/6829