Knyartutu, M., Ferdinandus, M. and Tiwery, Y. 2023. The Use of Picture Series to Improve Students Speaking Ability at Eight Grade of SMP Negeri Weet MBD. Koli Journal : English Language Education. 4, 1 (Jun. 2023), 28-31. DOI:https://doi.org/10.30598/koli.4.1.28-31.