Swartz, Greg
Leadership lessons: 10 keys to success in life and business
American Society for Training & Development, 2008
 eBooks
Covey, Stephen R.
Live Life in Crescendo: Karya paling penting selalu di depan kita
PT Gramedia Pustaka Utama, 2024
 Buku Teks SO
Ferriss, Timothy
The 4-hour work week: escape the 9-5, live anywhere and join the new rich
Vermilion, 2011
 Buku Teks
Agness, Lindsey
Change your life with NLP: cara mengubah hidup anda lebih dahsyat
Ufuk Press, 2012
 Buku Teks SO
Smith, Jim
From average to awesome: lessons for living an extraordinary life
American Society for Training & Development, 2008
 eBooks