Trích dẫn APA

Ellis, E. F. (1971). Evaluation of national health programs. V. A disparity between desire and practice in local health departments.

Trích dẫn kiểu Chicago

Ellis, E F. Evaluation of National Health Programs. V. A Disparity between Desire and Practice in Local Health Departments. 1971.

Trích dẫn MLA

Ellis, E F. Evaluation of National Health Programs. V. A Disparity between Desire and Practice in Local Health Departments. 1971.

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