Politically, Partai Acoma was close to the Murba Party.Feith, Herbert. The Indonesian Elections of 1955. Interim Report Series. Ithaca, N.Y.: Modern Indonesia Project, Southeast Asia Program, Dep. of Far Eastern Studies, Cornell Univ, 1957. p. 60 However some Acoma militants joined PKI, such as the Acoma leader Sidik Kertapati (who became a Central Committee member of PKI).
