RIFNA HUMAIROH, ANANDA. “THE IMPLEMENTATION OF PROJECT-BASED LEARNING TO TEACH SPEAKING A SPOKEN ADVERTISEMENT FOR THE EIGHTH GRADERS OF SMPN 40 SURABAYA”. RETAIN : Journal of Research in English Language Teaching 2, no. 1 (January 28, 2014). Accessed February 19, 2026. https://ejournal.unesa.ac.id/index.php/retain/article/view/6829.