1. Singing behavior of white-crested laughing-thrush
Suwimol Chinkangsadarn

2. Effect of using aqueous crude extract from butterfly pea flowers as a dye on animal blood smear staining
Araya Suebkhampet and Pongsiwa Sotthibandhu

3. Pulping with additives of typha domingensis stems from sudan
Tarig Osman Khider, Safaa Hassan Omer and Osman Taha

4. Potential of vegetable tanning materials and basic aluminum sulphate in sudanese leather industry (part ii)
Mahdi Ahmed Haron, Palmina Khirstova, Gurashi Abdallah Gasmelseed and Anthony Covington

5. On group classification of one-dimensional equations of nonisentropic fluids with internal inertia
Piyanuch Siriwat

6. Software development for natural gas field potential assessment at chonnabot prospect, northeastern thailand
Kanjana Ruksutjaritkul, Kriangkrai Trisarn and Akkhapun Wannakomol

7. Improvement of semen quantity and quality in ostriches by oxytocin injection before semen collection
Peerasak Suttiyotin, Pacharaporn Khumpim, Sakdichod Kimsakulvech, and Chalermkwan Eurlaphan