1. 25-deoxyecdysteroids synthesis and moulting hormone activity of two c-25 epimers of inokosterone
Boon-ek Yingyongnarongkul and Apichart Suksamrarn

2. Characterization of tri- and tetranucleotide microsatellites in the black tiger prawn, penaeus monodon
S. Pongsomboon, V. Whan, S. S. Moore and A. Tassanakajon

3. Convexity properties of nakano spaces
Sompong Dhompongsa

4. Sex determination by polymerase chain reaction and karyotyping of bovine embryos at first cleavage in vitro
Yindee Kitiyanant, Jumnian Saikhun, Boripat Siriaroonrat and Kanok Pavasuthipaisit

5. Some transcendental elements in positive characteristic
Vichian Laohakosol, Kannika Kongsakorn and Patchara Ubolsri

6. Structure of discrete-time h controller
Waree Kongprawechnon, Shun Ushida, Hidenori Kimura

7. The weak law of large numbers and the accompanying distribution function of random sums
K. Neammanee

8. Water-wastewater management of tapioca starch manufacturing using optimization technique
Thongchai Srinophakun, Uthaiporn Suriyapraphadilok and Suvit Tia