S. Emanuel, E. Ogoti, and E. J. Kileo , Trans., “The Role of Head of Public Secondary Schools in Providing Professional Development to Enhance Teacher Job Satisfaction in Arumeru District, Tanzania”, int.jour.sci.res.mana, vol. 13, no. 10, Oct. 2025, doi: 10.18535/ijsrm/v13i10.el01.