M Sopiyudin Dahlan MSD
Founder Metode Multiaksis Sopiyudin Dahlan (MSD) | Cara belajar statistika & metodologi penelitian yang mudah, simpel, & sederhana | Solusi Satu Atap Penelitian Sahabat | Melalui buku, ebook, workshop, software, short course, webinar, & konsultasi.