Presentation Certificate

The 1st PPAVI Student Research and Vocational Conference 2026

Certificate No. PPAVI-2026-8AA90E49
Certificate
of Presentation

This certificate is formally awarded to:

Ruwis, Selamat Tumpal Manurung, Hilaria Janariani

for presenting the paper entitled:

Business English as a Lingua Franca on WhatsApp in International Trade: A Case Study of an Exporter in Pontianak
PPAVI-2026-8AA90E49 / Oral
The 1st PPAVI Student Research and Vocational Conference 2026
16 Oct 2026 - 31 Oct 2026
Business Transformation, Entrepreneurship, and Sustainable Economy
Sustainable entrepreneurship
RD. Dr. Antonius Ary Setyawan, S.S., M.A, M.M.
Ketua Pengurus PPAVI
Romanus Edy Prabowo, S.Si., M.Sc., Ph.D.
Ketua Panitia
Digitally issued by PPAVI Conference System on 14 October 2026. Available at:
https://ppavi.or.id/conferences/ppavi-student-research-vocational-conference-2026/presentations/PPAVI-2026-8AA90E49/