| The power of particle size!
| Ferro, Sam. 2011. Asian Golf Business. September. 37: p. 52-53.
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| Don't treat your soil like dirt!: The Random House dictionary defines dirt as "any foul or filthy substance, as mud, grime, dust, or excrement"
| Ferro, Sam. 2011. Asian Golf Business. June. 34: p. 72-74.
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| Excessive surface-organic build up: The golf greens top enemy
| Ferro, Sam. 2011. Asian Golf Business. March. 31: p. 50-51.
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