See Allo

Stone, Bob, author

Successful telemarketing : opportunities and techniques for increasing sales and profits/ Bob Stone and John Wyman

Prentice-Hall, 1986

Buku Teks

Boyan, Lee, author

Successful cold call selling

American Management Association, 1989

eBooks

William, Miller, author

Knock your socks off prospecting: how to cold call, get qualified leads, and make more money

American Management Association, 2005

eBooks

Roman, Murray, author

Telemarketing campaigns that work! / Murray Roman

McGraw-Hill, 1983

Buku Teks

Walkup, Renee P., author

Selling to anyone over the phone

American Management Association, 2006

eBooks

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