1. Biological control of mosquitqes in thailand
S. WONGSIRI AND R.G. ANDRE

2. Calculations of fixed optimum tilt angles for flat-plate solar collectors for songkhla, bangkok, khon kaen, and chiang mai
SIRISAK TECHATHAWIEKUL

3. Difference between patterns of melatonin uptake in rat brain after the morning and the afternoon melatonin administration
B. WITHYACHUMNARNKUL and W.K. TRAKULRUNGSI

4. Preliminary evaluation of bacillus thuringiensis serotype 8.14 and bacillus sphaericus strain 1593 for toxicity against mosquito larvae in thailand
SOMSAK PANTUWATANA and AMPORN YOUNGVANITSED

5. Supportive effects of magnesium chloride on viability of plasmodium vivax in vitro
CHARIYA R. BROCKELMAN, RATCHAPIN LAOVANITCH and SASITHORN KAEWKES