Tonga, U., and H. Hafid. “ADULT SECOND LANGUAGE ACQUISITION IN CROSS CULTURAL CONTEXT: A CASE STUDY OF A STUDENT FROM GUINEA BISSAU (WEST AFRICA) WHO LEARNS BAHASA INDONESIA AS HIS SECOND LANGUAGE”. Elite : English and Literature Journal, Vol. 6, no. 2, Dec. 2019, pp. 148-5, doi:10.24252/elite.v6i2a3.