“The Role of Indigenous Mycorrhiza in Combination with Cattle Manure in Improving Maize Yield (Zea Mays L) on Sandy Loam of Northern Lombok, Eastern of Indonesia”, j Trop. Soils, vol. 18, no. 1, pp. 53–58, Mar. 2013, doi: 10.5400/jts.2013.v18i1.53-58.