Debataraja, C. S. (2019). The Effect of Using SWELL Method on The Students’ Achievement in Writing Procedure Text at Eight Grade of MTs Babul Ulum Medan Labuhan in The Academic Year 2018/2019.

Debataraja, Christina Suriani. The Effect of Using SWELL Method On The Students’ Achievement in Writing Procedure Text At Eight Grade of MTs Babul Ulum Medan Labuhan in The Academic Year 2018/2019. 2019.

Debataraja, Christina Suriani. The Effect of Using SWELL Method On The Students’ Achievement in Writing Procedure Text At Eight Grade of MTs Babul Ulum Medan Labuhan in The Academic Year 2018/2019. 2019.