2011.4 Ubushinwa Sourcing Imurikagurisha: impano & premium
2012.4 Imurikagurisha ryubushinwa: impano & premium
2012.10 Imurikagurisha ryubushinwa: impano & premium
2013.4 Imurikagurisha ryo mu Bushinwa: impano & premium
2014.10 Imurikagurisha ryo mu Bushinwa: impano & premium
2015.8 Imurikagurisha ryubushinwa: impano & premium
2019.4 Imurikagurisha ryo mu Bushinwa: impano & premium