https://www.applications.lk/government-job-vacancies/commission/northern-provincial-public-service-commission/open-competitive-examination-for-recruitment-to-grade-iii-trainee-grade-of-sri-lanka-technological-service-civil-laboratory-technician-draughtsman-trainee-grade-2017/
Open Competitive Examination for Recruitment to Grade III / Trainee Grade of Sri Lanka Technological Service (Civil / Laboratory Technician), Draughtsman Trainee Grade - Northern Provincial Public Service Commission 2017