Chakraborty, MChakraborty, K2021-12-282021-12-282021978-624-5987-00-9https://repo.sltc.ac.lk/xmlui/handle/1/150enGNU GPLNGOCharitable Trust HospitalPatients Information Management SystemGNU GPL Patients Information Management Systems to Manage NGOs and Charitable Trust Hospitals: a studyOther