Employee assistance programs: wellness/​enhancement programming
edited by William G. Emener, William S. Hutchison, Jr., Michael A. Richard
Thomas Books, 2003
 Buku Teks
Sinaga, Harez Posma
Perancangan ulang employee assistance program di PT XYZ
2006
 UI - Tesis (Membership)
Sinaga, Harez Posma
Perancangan ulang employee assistance programs di PT XYZ
2006
 UI - Tesis (Membership)
Sonaga, Harez Posma
Perancangan ulang employee assistance programs di PT XYZ
2006
 UI - Tesis (Membership)
Employee assistance program sebagai salah satu metode intervensi pendekatan stres kerja di PT. X
Fakultas Psikologi Universitas Indonesia, 2003
 UI - Tesis (Membership)