SahideM. A. K.; BurnsS.; WibowoA.; NurrochmatD. R.; GiessenL. Towards State Hegemony Over Agricultural Certification: From Voluntary Private to Mandatory State Regimes on Palm Oil in Indonesia. Jurnal Manajemen Hutan Tropika, v. 21, n. 3, p. 162-171, 31 Dec. 2015.