Syarifuddin
Current issues in second and foreign language learning and teaching
Absolute Media, 2018
 Buku Teks SO
Language teaching issues in multilingual environments in Southeast Asia
edited by Richard B. Noss
SEAMEO Regional Language Centre, 1982
 Buku Teks SO
Key issues in health
by Robert A. Burton ... [et al.]
Harcourt Brace Jovanovich, 1978
 Buku Teks SO
Mooney, Gavin H.
Key issues in health economics
Harvester Wheatsheaf, 1994
 Buku Teks
Key issues in organizational communication
Routledge, 2004
 Buku Teks