Asyar, Umarul Anshori Bin. 2021. “Effect of Giving Crab Shells As a Source of Chitin on the Yellow Cyst Nematode (Globodera Rostochiensis W) Population on Potato (Solanum Tuberosum L.)”. Contributions of Central Research Institute for Agriculture 15 (4):95-100. https://doi.org/10.59651/cceria.v15i4.47.