@article{Puyada_Putra_2018, title={Meta Analisis Pengaruh Problem Based Learning dan Virtual Laboratory Terhadap Hasil Belajar Siswa}, volume={18}, url={http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/257}, DOI={https://doi.org/10.24036/invotek.v18i2.257}, number={2}, journal={INVOTEK: Jurnal Inovasi Vokasional dan Teknologi}, author={Puyada, Deno and Putra, Rusnardi}, year={2018}, month={Jul.}, pages={9-16}