1. Sustainability Whitepaper: Hydrogen as Marine Fuel,2021
2. Sustainability Whitepaper: Ammonia as Marine Fuel,2020
3. Normalization and weighting methods for precise and standardized sustainability assessment: recent practices in manufacturing;Ahmad,2019
4. A review of cleaner alternative fuels for maritime transportation;Al-Enazi;Energy Rep.,2021
5. API Publication 581. Risk-Based Inspection Base Resource Document,2000