Kekuatan pikiran: optimalisasi kekuatan bawah sadar = Mind power into the 21st century: techniques to harness the astounding power of thought

Secrets of self-healing : harness nature's power to heal common ailments, boost vitality, and achieve optimum wellness

What's your creative type? : harness the power of your artistic personality = Semua orang kreatif, Anda termasuk jenis yang mana?

Supermanaging : how to harness change for personal and organizational success

Dual power sebagai pengembangan sistem nanogrids = Dual power as nanogrids development