Puyada, Deno, and Rusnardi Putra. “Meta Analisis Pengaruh Problem Based Learning Dan Virtual Laboratory Terhadap Hasil Belajar Siswa”. INVOTEK: Jurnal Inovasi Vokasional dan Teknologi 18, no. 2 (July 23, 2018): 9-16. Accessed January 26, 2025. http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/257.