by L. Prasetya, Pr. $3.00
by NIN Studio $6.00
by H. A. Aziz Salim Basyarahil $5.00
by Asri Supatmiati $7.00
by Fathullah Gulen $6.00
by Yusuf al-Uqshari $9.00
by Mangasa Sidabutar $7.00
by Eddy Tano, Dipl. Chem. Eng. $7.00
by Ir. Rudy Gunawan $6.00
by - $5.00
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by dr. J.F. Shipley $5.00