Suara Merdeka, 29 Oktober 1965, hlm. 2
Suara Merdeka, 29 October 1965, p. 2: 'Confession' of a Pemuda Rakyat leader on Lubang Buaya training
Suara Merdeka (Semarang), 29 Oktober 1965, hlm. 2. Antara report of the 'confession' of Pemuda Rakyat leader 'MSN': secret 'GTM' recruitment for Lubang Buaya training from July 1965, seeing many Gerwani, PR and BTI in ranks, 'Ibu Djumono of the DPP Gerwani', and ranks that 'appeared happy and sang'.