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2. Ann. Rep. Int. Rice Res. Inst. (1968): Screening of Rice Varieties for Protein.
3. Ann. Rep. Int. Rice Res. Inst. (1969): Improvement of the Protein Content of Rice.
4. Ann. Rep. Int. Rice Res. Inst. (1972): Improvement of the Protein Content of Rice.
5. Beachell, HN, GS Kush, and BO Juliano (1972): In Rice Breeding; Int. Rice Res. Inst. Los Baños, Philippines: 419.