Ananda Rifna Humairoh. Implementing Gallery Walk Technique in Teaching Speaking to the Seventh Grade Students of SMP Darul Hikmah. SELL [Internet]. 2022 Feb. 15 [cited 2025 May 4];7(1):1-12. Available from: http://publikasi.stkippgri-bkl.ac.id/index.php/SL/article/view/719