APA
(1984). Improvement of weak foundation of paddy fields by subsurface drainage system-field studies in the muda irrigation project area-technical bulletin no.18. Japan: Tropical Agricultural Research Center.
Chicago
1984. Improvement of weak foundation of paddy fields by subsurface drainage system-field studies in the muda irrigation project area-technical bulletin no.18. Japan: Tropical Agricultural Research Center.
Harvard
(1984). Improvement of weak foundation of paddy fields by subsurface drainage system-field studies in the muda irrigation project area-technical bulletin no.18. Japan: Tropical Agricultural Research Center.
MLA
Improvement of weak foundation of paddy fields by subsurface drainage system-field studies in the muda irrigation project area-technical bulletin no.18. Japan: Tropical Agricultural Research Center. 1984.