Samuel Helena Tumbula
@ucan.edu
Faculdade de Ciências Humanas
Universidade Católica de Angola
From Angola
EDUCATION
PhD in Education
RESEARCH INTERESTS
Education, organizational culture, school failure, leadership
@ucan.edu
Faculdade de Ciências Humanas
Universidade Católica de Angola
From Angola
PhD in Education
Education, organizational culture, school failure, leadership