I am a diploma holder in petrochemical engineering and working in an oil refinery for the past six years as process technician. Pl z advice which program is suitable to me.

<blockquote>I am a diploma holder in petrochemical engineering and working in an oil refinery for the past six years as process technician. Pl z advice which program is suitable to me.</blockquote>
Hi ,
It will actually depend on your future plans and career goal. if you are looking for career change or you would like to grow in same industry... please specify your requirements in detail.
Mamit