“Grammatical Cohesive Devices Analysis In Descriptive Writing By English Department Students In Putera Batam University”, SNISTEK, vol. 1, hlm. 145–150, Okt 2018, Diakses: Okt 06, 2026. Tersedia pada: https://ejournal.upbatam.ac.id/index.php/prosiding/article/view/761