Nouns ending in s, ss, sh, ch, x, or z form their plural by adding? -s or -es?

You would add -es to the end of those nouns in order to make it plural.

Visual project management is a new practice concept that integrates visual thinking tools and data visualization methodologies with more traditional project communication, reporting, and facilitation practices. this revolutionary new approach leverages the latest techniques in presenting data and information within visually-rich constructs that improve awareness and understanding of critical project information data points and key performance metrics. this paper provides an overview of why these techniques work and where they are best applied in project management practice, and will be of particular interest to any organization or project management practitioner tasked with communicating project-based information among a widely diverse audience that includes project teams, sponsors, and key stakeholders.provide the reader with step bye step instructions for the project