Comparative studies on the validity of the contract Comparative studies on the validity of the contract. 并列题名:Comparative studies on the validity of the contract Comparative studies on remedy for breach of the contract Comparative studies on remedy for breach of the contract. 并列题名:Comparative studies on remedy for breach of the contract he tong xiao li bi jiao yan jiu/: comparative studies on the validity of the contract, Comparative study on standard building contract he tong xiao li bi jiao yan jiu =: comparative studies on the validity of the contract/ He tong xiao li bi jiao yan jiu/: Comparative studies on the validity of the contract,