“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), pp. 62–80. doi:10.55148/etjar.v2i1.286.