International College of Management Sydney, Australia
Kasetsart University, Thailand
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Suan Sunandha Rajabhat University, Bangkok, Thailand
Northwestern University, Philippines
University of Malaya, Malaysia
DMMMSU, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Universitas Mahasaraswati Denpasar. Bali, Indonesia
College of Sustainability and Tourism, Ritsumeikan Asia Pacific University (APU), Japan
School of Humanities, Management and Social Sciences, The Neotia University, India
& Post-Doctoral Fellow
Abo-Akademi University, Finland
Polytechnic University of the Philippines, Sta. Rosa Campus, Philippines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines
Polytechnic University of Phillipines, Phillipines