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