Wibowo และผู้แต่งคนอื่นๆ. 1989. The analysis of domestic demand for and supply response of sugar cane in Indonesia. Graduate School, Kasetsart University;
Wibowo และผู้แต่งคนอื่นๆ. (1989) The analysis of domestic demand for and supply response of sugar cane in Indonesia . Kasetsart University/Bangkok.
Wibowo และผู้แต่งคนอื่นๆ. The analysis of domestic demand for and supply response of sugar cane in Indonesia. . Bangkok:Kasetsart University, 1989.
Wibowo และผู้แต่งคนอื่นๆ. (1989) The analysis of domestic demand for and supply response of sugar cane in Indonesia . Kasetsart University/Bangkok.