1. Faculty of Teacher Training and Education, STKIP Pasundan Cimahi, Indonesia
2. Universitas Suryakancana, Indonesia
3. Mabalacat City College, Pampanga, Philippines
4. Iloilo National High School, Department of Education, Iloilo, Philippines
5. Pototan National Comprehensive High School, Iloilo, Philippines
6. Romblon State University, Romblon, Philippines
7. Maayon National High School, Department of Education, Capiz, Philippines
8. Milan National High School, Department of Education, Iloilo, Philippines
9. Mambusao National High School, Department of Education, Capiz, Philippines
10. Capiz State University-Dumarao Satellite College, Capiz, Philippines
11. Lambunao National High School, Department of Education, Iloilo, Philippines