Romos JR. และผู้แต่งคนอื่นๆ. 1992. Supply response and human population carrying capacity assessment of paddy and corn in Southern Mindanao, Philippines. Graduate School, Kasetsart University;
Romos JR. และผู้แต่งคนอื่นๆ. (1992) Supply response and human population carrying capacity assessment of paddy and corn in Southern Mindanao, Philippines . Kasetsart University/Bangkok.
Romos JR. และผู้แต่งคนอื่นๆ. Supply response and human population carrying capacity assessment of paddy and corn in Southern Mindanao, Philippines. . Bangkok:Kasetsart University, 1992.
Romos JR. และผู้แต่งคนอื่นๆ. (1992) Supply response and human population carrying capacity assessment of paddy and corn in Southern Mindanao, Philippines . Kasetsart University/Bangkok.