(1)
JONGJITVIMOL, T.; WATTANACHAIYINGCHAROEN, W. Pollen Food Sources of the Stingless Bees Trigona apicalis Smith, 1857, Trigona collina Smith, 1857 and Trigona fimbriata Smith, 1857 (Apidae, Meliponinae) in Thailand. Trop. Nat. His. 2006, 6, 75-82.