Science
American Association for the Advancement of Science, 2018
 Majalah, Jurnal, Buletin
SCI Science Citation Index 1980 annual : part 3 citaion index Gree-Kuwa
Institute fo Scientific Information, 1981
 Buku Referensi
SCI Science Citation Index 1980 annual : part 5 citaion index Pady-Stad
Institute fo Scientific Information, 1981
 Buku Referensi
SCI Science Citation Index 1980 annual : part 6 citaion index Stad-Z
Institute fo Scientific Information, 1981
 Buku Referensi
SCI Science Citation Index 1980 annual : part 10 permuterm subject index A-Diff
Institute fo Scientific Information, 1981
 Buku Referensi