ZulfahriA., MarhumM., and KamaruddinA. “Improving Vocabulary Mastery Through Meaningful Alphabet Technique at the Tenth Grade Students of SMA Negeri Model Terpadu Madani Palu”. Bahasantodea, Vol. 4, no. 2, Dec. 2016, pp. 47-52, http://103.245.72.41/index.php/bahasantodea/article/view/802.