Gaya APA
Widodo, S. (1989).
Production efficiency of rice farmers in java indonesia (1).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Widodo, Sri.
"Production efficiency of rice farmers in java indonesia".
1
Yogyakarta:
Gadjah Mada University Press,
1989.
Agribisnis.