Yes, there are several journals and publications that provide step-by-step guides or tutorials on specific areas of commerce. Some popular ones include:

1. Harvard Business Review - This publication offers articles and case studies that provide practical insights and step-by-step guides on various aspects of commerce, including marketing, finance, strategy, and operations.

2. Entrepreneur - This magazine offers a wide range of articles, guides, and tutorials on starting and running a business. It covers topics such as business planning, marketing, sales, finance, and management.

3. Fast Company - This publication focuses on innovation and entrepreneurship, offering articles and guides on topics such as product development, branding, marketing, and technology.

4. Journal of Commerce - This academic journal covers a wide range of topics related to commerce, including international trade, logistics, supply chain management, and transportation. It often includes research papers that provide step-by-step guides and frameworks for specific business processes.

5. Small Business Administration (SBA) - The SBA website offers various resources, including step-by-step guides and tutorials, for small business owners. These resources cover topics such as starting a business, writing a business plan, obtaining financing, and managing operations.

6. Investopedia - Although not a journal or publication in the traditional sense, Investopedia is a popular online resource that provides tutorials and step-by-step guides on various topics related to finance and investing.

These are just a few examples of the many journals and publications available that can provide step-by-step guides and tutorials on specific areas of commerce. It is always recommended to explore multiple sources to find the most relevant and comprehensive information for your specific needs.