Aghnia Azti Rahmani, - (2021) Impoliteness Strategies By Indonesian Male And Female Customers’ Complaint Tweets At @Indihome. Skripsi thesis, UNIVERSITAS AIRLANGGA.

Pradipta Arum Faustina, - (2021) Mispronunciation Of The English Consonants By Students Of English Department Batch 2018 Universitas Airlangga. Skripsi thesis, UNIVERSITAS AIRLANGGA.