ALSONS Development and Investment Corp. (Alsons Dev) said it has completed the turnover of its first batch of residential units at Narra Park Residences Avia, its initial housing project within the Avia Estate township in Alabel, Sarangani. In a statement on Wednesday, the property developer said the milestone marks the transition of early homebuyers into homeowners and reflects the project’s progress within the 121-hectare estate. The turnover …