Four (NRF24L01 +Arduino) communication

Hello,
I want to use four ardiuno + NRF24L01 RF module.
Three NRF24L01 will work slave , other one will work master. Can I take data from slaves to master? Do you know example project?

Simple nRF24L01+ 2.4GHz transceiver demo

#02 SimpleTxAckPayload.ino
#17 MultiTxAckPayload.ino