a project manager's guide to becoming a leader 领导者的起点：卓越领导者的思考模型和行动指南：a project manager's guide to becoming a leader Creating a greater whole : a project manager's guide to becoming a leader a practical guide to teaching drama an insider's guide to becoming a better diver 潜水机密：潜水员的秘密指南：an insider's guide to becoming a better diver
