“The Effect of Learning Tenses Using Abbreviated Formulas on Students’ Grammar Mastery at the Takhasus Grade of Mazro’atul Lughoh Islamic Boarding School Pare Kediri”. 2022. English Teaching Journal and Research: Journal of English Education, Literature, And Linguistics 2 (1): 62-80. https://doi.org/10.55148/etjar.v2i1.286.