Prawit Puddhanon. 1988. A improvement of early maturity maize by S, and balt-sib selections. Graduate School, Kasetsart University;
Prawit Puddhanon. (1988) A improvement of early maturity maize by S, and balt-sib selections . Kasetsart University/Bangkok.
Prawit Puddhanon. A improvement of early maturity maize by S, and balt-sib selections. . Bangkok:Kasetsart University, 1988.
Prawit Puddhanon. (1988) A improvement of early maturity maize by S, and balt-sib selections . Kasetsart University/Bangkok.