News & Publications

Technical articles, schedule updates, and statistics (corporate-style list).

Participant portal system update Latest portal feature changes.

14 Mar 2026 News

PT Program Registration FAQ Common questions about registration.

14 Mar 2026 News

Certificate and final report How to download participant certificate.

14 Mar 2026 News

Guide to uploading test results Steps to fill the results form.

14 Mar 2026 News

Evaluation method: robust mean Explanation of robust mean in PT assessment.

14 Mar 2026 News

Sample packaging & shipping checklist Packaging and temperature recommendations.

14 Mar 2026 News

PT schedule Q2 2026 officially released Registration and sample shipping timeline.

14 Mar 2026 News

Understanding z-score & participant performance interpretation Summary of z-score concept.

14 Mar 2026 News

Sample Berita -

09 Mar 2026 Testing