Wentao Zhan Minghui Jiang 0003 Xueping Wang Da Huo Han Jiang The platform competition with multihoming on both sides in the omnichannel - - fee or subsidy? 1039-1060 2024 53 Kybernetes 3 https://doi.org/10.1108/K-06-2022-0869 db/journals/kybernetes/kybernetes53.html#ZhanJWHJ24