“EFISIENSI PEMANFAATAN RADIASI SURYA, AIR DAN SERAPAN P TANAMAN PADI PADA TARAF INTENSITAS RADIASI SURYA DAN PEMBERIAN AIR YANG BERBEDARADIATION AND WATER USE EFFICIENCY, AND P ABSORTION OF LOWLAND PADDY AT DIFFERENT LEVEL OF RADIATION ..”., Agromet, vol. 15, no. 1 & 2, pp. 11–25, Dec. 2002, doi: 10.29244/j.agromet.15.1 & 2.11-25.