Firdaus, L., & Hunaepi, H. (2016). STUDIES FACILITATION ACQUISITION OF BASIC SCIENCE PROCESS SKILLS ON THE 4 GRADE STUDENTS MADRASAH TSANAWIYAH (MI) NW KERUMUT. Bioscientist : Jurnal Ilmiah Biologi, 4(2), 114–116. https://doi.org/10.33394/bioscientist.v4i2.226