Ariel Heryanto's essay (Indonesia at Melbourne, 16 Jan 2018) arguing the state's own story of the 30 September Movement, disseminated since 1966, is the 'primary hoax' behind later 'secondary' ones. Commentary on state disinformation.
Historia.id article (preview only, 2022) on the song Genjer-genjer and its composer Mohammad Arief, countering the film's claim that Gerwani and Pemuda Rakyat sang it by saying it reflects Japanese-occupation suffering and that Arief was a santri's son. Partial text.
English Wikipedia article (retrieved 13 Oct 2026) on the folk song Genjer-genjer by Muhammad Arief: 1942 Banyuwangi famine origin, 1963 peak on TVRI/RRI, and its place in the Lubang Buaya myth that Pemuda Rakyat and Gerwani sang it while mutilating the generals; banned until 1998. Encyclopedic summary.