The blank slate : the denial of human nature / Steven Pinker

the Theory of international values / Frank D. Graham;

Information from processes : about the nature of information creation, use, and representation

A treatise of human nature

Hubungan peran serta siswa sekolah lanjutan pertama dengan pelestarian lingkungan : Hasil survei di wilayah DKI Jakarta = Correlation between promary high school students participation and enviromental conservation : A survey in DKI Jakarta regional