Enlace original:
https://apps.who.int/iris/handle/10665/42079
Lwanga, Stephen Kaggwa
,
Tye, Cho-Yook
,
Ayeni, O
,
World Health Organization
,
[Teaching health statistics : lesson and seminar outlines / edited by S. K. Lwanga, Cho-Yook Tye, O. Ayeni, 2nd ed]