Kedaulatan Rakyat, 26 April 1994: kolom 'Mister Rigen'
Kedaulatan Rakyat, 26 April 1994: 'Mister Rigen' column
Kedaulatan Rakyat (Yogyakarta), 26 Apr 1994, p. 12: satirical column where a professor fears maids' associations are 'infiltrated by the PKI and Gerwani'; the servant answers 'PKI what, Gerwani what?'.