Adref>
    
Rhaglen Addysgu Graddedigion – CaBan>
                
        
    
    
    
        
    

Am ragor o wybodaeth:

CYNRADD:  https://www.bangor.ac.uk/education-and-human-development/courses/GTP/GTPprimary.php.cy 

UWCHRADD:  https://www.bangor.ac.uk/education-and-human-development/courses/GTP/GTPsecondary.php.cy