Function of language as found in economical news
 Artikel Jurnal
The variety of language style based on gender as found in twitter
 Artikel Jurnal
Klein, Wolfgang
Time in language
Routledge , 1997
 Buku Teks
Turnip, Sherly Saragih
Time perspective and psychological problems among adolescents affected by violent conflict in Indonesia
Fakultas Psikologi Universitas Indonesia, 2010
 Artikel Jurnal
Sumarah Adhyatma
Antique ceramics found in Indonesia, various uses and origins
Himpunan Keramik Indonesia, 1990
 Buku Referensi