1. Use of wastewater as a substrate for sugary kefir growth and value added products formation
Phattaraporn Sarikkha, Siwarutt Boonyarattanakalin,and Rachnarin Nitisoravut

2. Visitors’ perception of outdoor recreational facilities in murree city, pakistan
Amna Javed, Malik Asghar Naeem, Abdul Waheed and Imtiaz Ahmed Vohra

3. Low carbon scenario for the power sector of vietnam: externality and comparison approach
H.A Nguyen-Trinh and M. Ha-Duong