Lastest issue of the Newsletter of the IUCN SSC Asian Songbird Trade Specialists Group, Vol. 2, no. 2 ( Sept. 2022 ) with some very intresting articles :
https://www.asiansongbirdtradesg.com/_files/ugd/08f72d_4bd60f5c9f9c442a80611fc6d7b71531.pdf
https://www.asiansongbirdtradesg.com/_files/ugd/08f72d_4bd60f5c9f9c442a80611fc6d7b71531.pdf