Testing Business Ideas

3 1 10 Testing Business Ideas OSTERWALDER Alex Primary Author BLAND J David Primary Author mixed material 9786230023811 Membangun Model Bisnis Business Model Generation PIGNEUR Yves Primary Author OSTERWALDER Alexander Primary Author mixed material 9786020029894 The Invincible Company OSTERWALDER Alex Primary Author PIGNEUR Yves Primary Author ETIEMBLE Fred Primary Author SMITH Alan Primary Author mixed material 9786230036989