1. Growth habits and yields of pyrethrum grown at doi angkhang
Sutharm Areekul and Angsumarn Narksawat

2. Hemoglobin j bangkok structural identification and in combination with hemoglobin e
Buncha Kematorn et al.

3. Prehistoric painting in the northeastern part of thailand
Preecha Kanchanagama

4. Treatment of wastewater from paper mills by chemical method
Paisarn Arriyavatana