Teaching Vocabulary by Using Semantic Mapping Strategy (Quasy Experimental Study on the Seventh Graders Students of SMP Mandiri Pontianak Timur In Academic Years 2017/2018) . Spectral [Internet]. 2017 Jan. 31 [cited 2025 May 19];3(1):054-71. Available from: http://journal.stbapontianak.ac.id/index.php/spectral/article/view/16