“Evaluation of Different Soil Media and Soil Ameliorants in Tomato (Lycopersicon esculentum Miller), Green Onion (Allium sativum) and Pechay (Brassica rapa L.)”, WVSU Res J, vol. 1, no. 1, pp. 46–54, Jun. 2012, doi: 10.59460/wvsurjvol1iss1pp46-54.