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Somnuk Boongird. 1992. Biological studies of stingless bee, Trigona laeviceps Smith and its role in pollination of durian, Durio zibethinus L.cultivar Chanee. Graduate School, Kasetsart University;
Somnuk Boongird. (1992) Biological studies of stingless bee, Trigona laeviceps Smith and its role in pollination of durian, Durio zibethinus L.cultivar Chanee . Kasetsart University/Bangkok.
Somnuk Boongird. Biological studies of stingless bee, Trigona laeviceps Smith and its role in pollination of durian, Durio zibethinus L.cultivar Chanee. . Bangkok:Kasetsart University, 1992.
Somnuk Boongird. (1992) Biological studies of stingless bee, Trigona laeviceps Smith and its role in pollination of durian, Durio zibethinus L.cultivar Chanee . Kasetsart University/Bangkok.