Supoj Sujitratanunth. 1992. Pollinating management by honey bee, Apis mellifera L. on fruit production of pummelo, Citrus maxima (J.Burm.) Merr. cv. Tongdee. Graduate School, Kasetsart University;

Supoj Sujitratanunth. Pollinating management by honey bee, Apis mellifera L. on fruit production of pummelo, Citrus maxima (J.Burm.) Merr. cv. Tongdee. . Bangkok:Kasetsart University, 1992.

Supoj Sujitratanunth. (1992) Pollinating management by honey bee, Apis mellifera L. on fruit production of pummelo, Citrus maxima (J.Burm.) Merr. cv. Tongdee . Kasetsart University/Bangkok.