Evalution of spatial and seasonal variations in survace water quality using multivariate statistical techniques
 Artikel Jurnal
Katamba, Francis
Morphology
Macmillan, 1994
 Buku Teks
Shaffer, David F.
Seasonal customs of Korea
Hollym, 2007
 Buku Referensi
Seasonal migration in the City of Yogyakarta
 Artikel Jurnal
Bybee, Joan L.
Morphology : a study of the relation between meaning and form / Joan L. Bybee
John Benjamins Publishing, 1985
 Buku Teks