The phrase "additional methods for" is correct and usable in written English.
It can be used when discussing extra techniques or approaches related to a specific topic or task.
Example: "In this study, we will explore additional methods for improving data accuracy in research."
Alternatives: "further techniques for" or "supplementary approaches to".
After further study he devised additional methods for the culture and isolation of certain species.
Future work should focus on additional methods for combining the magnitude and phase data.
But we think we've gone far beyond other companies at least other companies in our industry—in developing additional methods for listening to customers.
Therefore, additional methods for implementing CAR-T cell therapy against solid tumors have been explored.
Within the same framework, we present two additional methods for the phase estimation step.
The system should fit nicely into Apple's existing set of tools, bringing additional methods for testing, debugging and deploying mobile apps through a proprietary channel.
Fetal electrocardiography (ECG) analysis provides an additional method for assessing the response of the fetus to hypoxia and in particular to the development of metabolic acidosis.
This Temporal Energy Analysis is proposed as an additional method for assessing acoustic behaviour with the advantage of illustrating behaviour at different locations within the auditorium.
This research was conducted in order to investigate the effectiveness of the checking method specified in ISO 10791-6 and to propose an additional method for identifying the geometric deviations inherent to five-axis machining centers with a universal spindle head.
This study investigates an additional method for independently evaluating performance of speed and accuracy of computer mice, based on five parameters of the initial submovement when aiming at a target.
