Arifin, Bustanul (2016) Analisis Faktor-Faktor yang Mempengaruhi Stres Kerja Karyawan PTPN XII Kebun Renteng Jenggawah Jember. Undergraduate thesis, UNIVERSITAS MUHAMMADIYAH JEMBER.

Arifin, Bustanul (2013) THE EFFECT OF ALIBI GAME ON THE SPEAKING ABILITY OF THE TENTH GRADE STUDENTS OF SMK ZAINUL HASAN BALUNG IN THE 2012/2013 ACADEMIC YEAR. Undergraduate thesis, UNIVERSITAS MUHAMMADIYAH JEMBER.