Referensi R 351.14 IND k Kepres No.16 tahun 1990 tentang penelitian khusus bagi pegawai negeri RI. dilengkapi: Kepres No.29 th.1989; Undang-undang No.2 th.1988; Undang-undang No.8 th.1974; SE-BAKN No.02/SE/1980 Indonesia Civil services -- Legislation and jurisprudence Legislation, Civil services Kloang Klede Jaya 1990 https://lib.fkm.ui.ac.id:443/detail?id=7223