“An Analysis of Preposition (Idiomatic Phrases, Prepositional Phrases and Zero Prepositions) Detection Errors in the Writing of Graduate ESL Learners of Pakistan” (2017) Global Journal of Human-Social Science, 17(G2), pp. 45–63. Available at: https://socialscienceresearch.org/index.php/GJHSS/article/view/1980 (Accessed: 19 February 2026).