1. Acute toxicity of the synergism of surfactant (las) and copper on the freshwater fish, puntius gonionotus, bleeker.
CHALIDA JANGCHUDJAI, E. SUCHART UPATHAM, MAITREE DUANGSAWASDI and PAKIT KlRAVANICH

2. Improved isolation and purification of stevioside
JOHN ADDUCI, DUANG BUDDHASUKH, AND BELA TERNAI

3. Purification and characterization of oxalate oxidase from spiny pigweed
S. MONGKOLISIRIKIEAT AND C. SRISUWAN

4. Structure, functi0n, and regulation of ribulose-1, 5-bisphosphate carboxylase-oxygenase
ARAN INCHAROENSAKDI AND TETSUKO TAKABE