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हेलन केलर इन्टरनेशनलले माग्यो कर्मचारी, यस्तो छ आवश्यक योग्यता र अनुभव (भ्याकेन्सीसहित)
Helen Keller International, an International non-profit organization (INGO) works to improve the sight and lives of the vulnerable by combating the causes and consequences of blindness, poor health, and malnutrition through public health approaches, building the capacity of organizations, and contributing to policy changes through systems strengthening and operations research.[...]
