procurement goods bidding guidelines tender services regulation pengadaan 54 pemerintah government jasa barang 2010 indonesia perpres indonesian pemilihan pelelangan peraturan presiden world bank documents adb asian development bank borrower consultant bidder guidance standard contract instructions consultants introduction evaluation selection quality cost data sheet instruction sbd procedure selection method price loans employment contracting contracting method monitoring operation provision method manual consulting idb credit grants islamic development bank financing jica japanese japan international cooperation agency oda borrowers ida ibrd
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